Part 1 Suppose you inflate your car tires to 32 psi on a 22 ∘C day. Part A Later, the temperature drops to 0∘C. What is the pressure in your tires now?
Answers
The temperature drops to 0 degrees celsuis, the pressure in the tires will be approximately: 31 psi.
The pressure of a gas is directly proportional to its temperature, according to the Ideal Gas Law (PV = nRT). Therefore, when the temperature decreases, the pressure will also decrease proportionally.
To calculate the new pressure, we can use the equation P1/T1 = P2/T2, where P1 is the initial pressure (36 psi), T1 is the initial temperature in Kelvin (295 K), P2 is the final pressure (unknown), and T2 is the final temperature in Kelvin (273 K). Solving for P2, we get P2 = P1 x T2/T1 = 36 psi x 273 K/295 K ≈ 31 psi.
Therefore, the pressure in the tires will be approximately 31 psi when the temperature drops to 0 degrees Celsius.
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Complete question:
Suppose you inflate your tires to 36 psi on a 22 degrees Celsius day. Later the temperature drops to 0 degrees celsuis. what is the pressure in your tires now
Related Questions
A Balloon is filled with water inside, when it is hanged over a burning fire the balloon filled with water doesn't brust why??
Answers
Answer:
The water filled balloon does not burst because the rubber obviously does not reach a temperature sufficient for it to melt or burn. The rubber is stretched thin so that heat is quickly transferred into the balloon. With air inside the balloon, this heat is not readily dissipated away from the spot touching the flame.
Which of the following are double-displacement reactions? multiple answers
A. 2H2(g) + O2(g) -> 2H2O(g)
B. Zn(s) + 2HCI(aq) -> H2(g) + ZnCI2(s)
C. Ba(OH)2(aq) + 2HCIO4(aq) -> Ba(CIO4)2(aq) + 2H2O(I)
D. HNO3 (aq) + KOH (aq) -> H2O(I) + KNO3 (aq)
Answers
Answer:
C and D
Explanation:
A: is a simple composition
B: is a single replacement
C: C is a double displacement
D: is a double replacement
Answer:
The answers are C abd D.
Explanation:
Here,
A no. Is a combination or analysis chemical reaction.
B no.is a single displacement reaction as cl2 goes to zn.
C no. Is double displacement reaction.
D no. Is a double displacement reaction.
Hope it helps.....
Cyclist 1 pedals 40 kilometers east in 2 hours. Cyclist 2 pedals 10 kilometers west in half an hour. Based on this information, which statement about cyclists is correct?
Answers
Answer:
See Explanation
Explanation:
Given
Cyclist 1:
\(Distance = 40km\)
\(Time = 2hr\)
\(Direction = East\)
Cyclist 2:
\(Distance = 10km\)
\(Time = 0.5hr\)
\(Direction = West\)
The question requires options. Since none is given, I'll answer on a general term.
First, calculate the speed of both cyclists
\(Speed = \frac{Distance}{Time}\)
Cyclist 1:
\(Distance = 40km\)
\(Time = 2hr\)
\(Speed = \frac{40km}{2hr}\)
\(Speed = 20km/hr\)
Cyclist 2:
\(Distance = 10km\)
\(Time = 0.5hr\)
\(Speed = \frac{10km}{0.5hr}\)
\(Speed = 20km/hr\)
The following can be deduced from above:
Both cyclists travel at the same speed of 20km/hrBoth cyclists travel in opposite directions
One type of atomic particle that is found in the nucleus does not contribute to
an element's atomic number. What are two characteristics of this type of
atomic particle?
Answers
Answer:
1) They are electrically neutral
2) They have slightly more weight than protons
Explanation:
The given atomic particle found in the nucleus has the following characteristics;
The location of the particle = The nucleus
The (numbers of the) particle does not contribute to (change) the atomic number of the element
The particles found within the nucleus of an atom are; Neutrons and protons
The particle within the nucleus that determines the atomic number = The number of protons
Therefore, the particle referenced in the question is the neutrons
The two characteristics of the neutron are;
1) The neutrons are neutral, electrically
2) Neutrons have slightly more weight than protons
3) Neutrons are magnetic
4) Neutrons are very small
5) Neutrons consist of three quarks; One 'Up', and two 'Down' quarks
Therefore, two characteristics of the particle are;
1) They are electrically neutral and 2) They are slightly heavier than protons.
10) A 57-kg packing crate is pulled with constant speed across a rough floor with a rope that is at an angle of 37° above the horizontal. If the tension in the rope is 142 N, how much work is done on the crate to move it 6.1 m?
Answers
F=m*a
T = 142N
Work = Force x distance
distance = 6.1 M
Force = 142 x cos 37 = 113.4 N
W= 113.4N x 6.1M = 691.78 J
What is the low end of the range of surface temperature for blue white stars
Answers
B 10,000 - 30,000 K Blue-white stars
A 7,500 - 10,000 K White stars
F 6,000 - 7,500 K Yellow-white stars
G 5,000 - 6,000 K Yellow stars (like the Sun)
The lowest temperature stars are red while the hottest stars are blue. Astronomers are able to measure the temperatures of the surfaces of stars by comparing their spectra to the spectrum of a black body.
An automobile traveling initially at a speed of 60 m/s is accelerated uniformly to a speed of 85 m/s in 12 s. How far does the automobile travel during the 12 s interval?
Answers
Answer:
870 m
Explanation:
d = Vit + 1/2at²
a = ΔV/Δt = (85 m/s - 60 m/s) / (12 s) = (25 m/s) / 12 s = 2.08 m/s²
d = (60 m/s)(12 s) + 1/2 (2.08 m/s²)(12 s)² = 870 m
Answer:
The automobile traveled 870 meters during the 12 second interval.
Explanation:
We can use this kinematics equation to evaluate how far the automobile traveled.
\(\overline v=\frac{\Delta x}{\Delta t}\)
Note
\(\overline v\) is the average velocity
\(\Delta x\) is the change in position (displacement)
\(\Delta t\) is the change in time (time interval)
The formula for average velocity is
\(\overline v=\frac{V_f-V_o}{2}\)
We are given
\(V_f=85\\V_o=60\\\Delta t=12\)
First lets evaluate the average velocity.
\(\overline v=\frac{85-60}{2}\)
\(\overline v=72.5\)
Rearranging our kinematics equation to isolate \(\Delta x\) we get
\(\Delta x=\overline v \Delta t\)
Now lets evaluate \(\Delta x\).
\(\Delta x=72.5*12\\\Delta x=870\)
There are many different ways you can solve this; I could have used a different equation.
Using the statistical definition of entropy, what is the entropy of a system where W = 4?
A. 1.87 × 10–23 joules/kelvin
B. 1.56 × 10–23 joules/kelvin
C. 1.91 × 10–23 joules/kelvin
D. 2.07 × 10–23 joules/kelvin
Answers
Answer: S = 1.91x10^(-23) J/K
Explanation:
The statistical definition of entropy says that:
S = k*Ln(W)
where:
W is the number of macrostates, in this case W = 4.
k is a constant:
k = 1.38x10^(-23) J/K
then the entropy of this system will be:
S = (1.38x10^(-23) J/K)*ln(4) = 1.91x10^(-23) J/K
Then the correct option is C.
Answer:
C. 1.91 × 10–23 joules/kelvin
can i be marked brainiest, please? Explanation:
Can someone help me answer this question please.
Answers
Which energy source contributes to the greatest emissions of gases in the environment during the energy production process?-bio fuels-fossil fuels-nuclear energy-solar energy
Answers
"The energy source that contributes to the greatest emissions of gases in the environment during the energy production process is fossil fuels." The correct option is B.
Fossil fuels, such as coal, oil, and natural gas, release large amounts of carbon dioxide (CO₂) and other pollutants into the atmosphere when burned for energy production. CO₂ is the primary greenhouse gas responsible for climate change and global warming. In addition, the extraction and transportation of fossil fuels also results in emissions of methane and other pollutants.
While nuclear energy (c) produces minimal emissions during energy production, the mining and processing of nuclear fuel can result in emissions of greenhouse gases.
Solar energy (d) and biofuels (a) are considered to be cleaner sources of energy, as they produce much lower emissions of greenhouse gases and other pollutants during energy production. However, the manufacturing and transportation of solar panels and biofuel crops can result in emissions of greenhouse gases.
Therefore, the energy source that contributes to the greatest emissions of gases in the environment during the energy production process is fossil fuels.
The given question is incomplete. The complete question is 'a. bio fuels
b. fossil fuels
c. nuclear energy
d. solar energy'
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3. A simple way to state Newton’s first law is:
For every action force, there is a _______A.________ _______B.________ equal in _______C.________ and opposite in _______D.________.
yall just fill in the blanks):
Answers
Explanation:
A simple way to state Newton's first law is:
For every action force, there is a reaction force which is equal in magnitude and opposite in direction.
a single slit forms a diffraction pattern with monochromatic light. the 4th minimum of the pattern occurs at an angle of 35° from the central maximum. how many bright bands are on each side of the central maximum?
Answers
In the diffraction pattern formed by a single slit with monochromatic light, there are three bright bands on each side of the central maximum.
When light passes through a single slit, it undergoes diffraction, resulting in a pattern of bright and dark regions on a screen or surface. The central maximum is the brightest region in the pattern and is located at the center.
The number of bright bands on each side of the central maximum can be determined by counting the bright fringes, also known as minima or maxima. In this case, the problem states that the 4th minimum occurs at an angle of 35° from the central maximum. Since the central maximum is considered the 0th minimum, there are three additional bright bands on each side (4th, 3rd, and 2nd) before reaching the central maximum. Therefore, the total number of bright bands on each side of the central maximum is three.
This pattern is a result of the interference and diffraction of light waves passing through the single slit. The spacing between the bright bands decreases as the order of the minimum increases, leading to a narrower pattern. The exact spacing and positions of the bright bands can be determined using the principles of wave interference and diffraction.
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a 150. g baseball is thrown with a speed of 20. m/s. it is hit straight back toward the pitcher at a speed of 40 m/s. if the baseball and bat are in contact for 6.0 ms, what is the magnitude of the average force delivered to the ball?
Answers
If the baseball that is thrown with a speed of 20 m / s and bat are in contact for 6.0 m s, the magnitude of the average force delivered to the ball of mass 150 g is 0.5 KN
a = v / t
a = Acceleration
v = Velocity
t = Time
v = 20 m / s
t = 6 m s
t = 6 * \(10^{-3}\) s
a = 20 / 6 * \(10^{-3}\)
a = 3.3333 * 10³ m / s²
According to Newton's second law of motion,
F = m a
F = Force
m = Mass
m = 150 g
m = 0.15 kg
F = 0.15 * 3.3333 * 10³
F = 0.5 * 10³ N
F = 0.5 KN
Therefore, the magnitude of the average force delivered to the ball is 0.5 KN
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In aluminum, the speed of sound is 5100 m/s What the wavelength a sound wave of middle C at 264 Hz traveling through aluminum?
Answers
Answer:
19.32
Explanation:
the wavelength formula is speed divided by frequency
speed = 5100m/s
frequency = 264Hz
so wavelength = 5100 m/s / 263 Hz
= 19.32
P9. Consider the discussion in Section 1.3 of packet switching versus circuit switching in which an example is provided with a 1 Mbps link. Users are generating data at a rate of 100 kbps when busy, but are busy generating data only with probability . Suppose that the 1 Mbps link is prop trans t=0 t= trans prop trans t=dtrans prop trans to trans s=2.5⋅108 L=120 bits R=56 kbps. prop trans p=0.1 replaced by a 1 Gbps link. a. What is N, the maximum number of users that can be supported simultaneously under circuit switching?
Answers
Answer:
hello your question is not properly structured below is the complete question
. Consider the discussion in Section 1.3 of packet switching versus circuit switching in which an example is provided with a 1 Mbps link. Users are generating data at a rate of 100 kbps when busy, but are busy generating data only with probability . Suppose that the 1 Mbps link is replaced by a 1 Gbps link. a. What is N, the maximum number of users that can be supported simultaneously under circuit switching?
answer : N = 1000 users
Explanation:
The maximum number of users (n) that can be supported simultaneously under circuit switching
N = Total transmission / rate of data generation by users
Total transmission = 1 Gbps = 1 * 10^9 bps
rate of data generation by user = 100 kbps = 10 * 10^4 bps
hence the maximum number of users that can be supported simultaneously
= ( (1* 10^9) / (10 * 10^4) )
= 10000 users
Schiefer Inc. manufactures a part used in the manufacture of its products. Currently, Schiefer manufactures 30,000 units of the part annually. The annual costs of producing 30,000 parts include: Direct Materials $4/unit Direct Labor $5/unit Variable MOH $3.50/unit Fixed MOH $45,000 Management is considering whether to continue manufacturing the part, or to buy the part from an outside supplier at a cost of $12.95 per part. The fixed manufacturing overhead would not be eliminated, however, the space freed up by purchasing the part from an outside supplier could be used to manufacture another product that would increase income by $20,000. What is the financial advantage (disadvantage) of buying the part
Answers
The financial advantage of buying the part from an outside supplier is $35,000. Financial advantage should be pursued within legal and ethical boundaries.
What is Financial Advantage?
Financial advantage refers to a situation where an individual, organization, or entity gains a benefit or advantage in terms of their financial position. It can arise from various factors and strategies that contribute to increased wealth, profitability, or economic well-being.
Financial advantages can be achieved through a range of activities, including:
Cost efficiency: This involves reducing costs or improving efficiency in operations, production, or resource utilization. By minimizing expenses and maximizing output, organizations can enhance their financial advantage.
Competitive advantage: A company or individual may gain a financial advantage by having a unique selling proposition, superior products or services, or a strong market position that allows them to command higher prices, capture a larger market share, or enjoy better profit margins.
The total cost of manufacturing the part in-house can be calculated as follows:
Direct Materials Cost = $4/unit × 30,000 units = $120,000
Direct Labor Cost = $5/unit × 30,000 units = $150,000
Variable MOH Cost = $3.50/unit × 30,000 units = $105,000
Fixed MOH Cost = $45,000
Total Cost of Manufacturing = Direct Materials Cost + Direct Labor Cost + Variable MOH Cost + Fixed MOH Cost
= $120,000 + $150,000 + $105,000 + $45,000
= $420,000
If the part is purchased from an outside supplier at a cost of $12.95 per unit, the total cost of purchasing would be:
Total Cost of Purchasing = $12.95/unit × 30,000 units = $388,500
The financial advantage (disadvantage) of buying the part is the difference between the cost of purchasing and the cost of manufacturing in-house:
Financial Advantage = Total Cost of Manufacturing - Total Cost of Purchasing
= $420,000 - $388,500
= $31,500
Additionally, the freed-up space can be used to manufacture another product that would increase income by $20,000. Therefore, the overall financial advantage of buying the part would be:
Overall Financial Advantage = Financial Advantage + Additional Income
= $31,500 + $20,000
= $51,500
Thus, the financial advantage of buying the part from an outside supplier is $51,500.
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Complete question:
Schiefer Inc. manufactures a part used in the manufacture of its products. Currently, Schiefer manufactures 30,000 units of the part annually. The annual costs of producing 30,000 parts include:
Direct Materials $4/unit
Direct Labor $5/unit
Variable MOH $3.50/unit
Fixed MOH $45,000
Management is considering whether to continue manufacturing the part, or to buy the part from an outside supplier at a cost of $12.95 per part. The fixed manufacturing overhead would not be eliminated, however, the space freed up by purchasing the part from an outside supplier could be used to manufacture another product that would increase income by $20,000. What is the financial advantage (disadvantage) of buying the part
Which line segment (A - I) shows the fastest speed, and how long does this speed last?
and List the line segments where the object turned around and changed direction.
Answers
Explanation:
I shows fastest speed for 1sec ( 3 m/s)
C, G and I are the line segments where the object turned around and changed direction.
2 An object has a negative charge. Which statement about the object is correct? A Electrons have been transferred onto it. B Electrons have been transferred away from it. C It has more positive charges than negative charges. D Positive charges have been transferred away from it.
Answers
Answer:
A . Electrons have been transferred into it.
ps.. PLZ give me brainliest!!!
Tysm! Hope this helps!
To build a neutral atom, there must be an equal number of protons and electrons.
Refresh the simulation, and then add six protons and six electrons to make a neutral carbon atom. Click the plus sign on
the Mass Number window. What's the mass number of this carbon atom?
Answers
Answer:The mass number of this carbon atom is six.
Explanation:
Thats the answer on plato
The speed of sound through diamond is about 12,000 m/s. The speed of sound through wood is about 3,300 m/s. Which statement explains
why the speed of sound is different through these materials? (1 point)
Answers
Answer: They have different rigidities.
Explanation:
A common activity like cooking a meal can use many natural _________.
Answers
A common activity like cooking a meal can use many natural Ingredients
Ingredients
Ingredients are substances combined to make a particular mixture such as a meal. most of the ingredients used for the preparation of a meal are sourced naturally.
In cooking different recipes of a meal the use of specific ingredients for each recipe differentiates the recipes.
Therefore we can conclude that cooking a meal requires the use of natural ingredients.
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Jennifer has a credit score of 450. Her bank recently approved her for a credit card. What will her interest rate be?
A. High, as her credit score is low, indicating that she is a high risk borrower
B. Low as her credit score is good
C. Big as her credit score is good
D. Low as she is a high risk borrower
Answers
Answer:
A
Explanation:
low credit score means its more risky to lend someone money
A position versus time graph represents the motion of two objects. The line for object one has a steep slope and the line for object two has a shallow slope. Which object is moving faster?
Answers
Graph - Object one is moving faster than object two.
Graph:
In mathematics, a graph is a visual representation or diagram that shows facts or values in an ordered way. The relationships between two or more items are frequently represented by the points on a graph. Here, for instance, we can plot a graph showing the type and quantity of school supplies used by pupils in a class based on the data provided below. Each supply is first counted, and the data is then shown in a table with specific colours in a logical order.
Object one is moving faster than object two. This can be determined by looking at the slope of the lines on the graph. The steeper the slope, the faster the object is moving. In this case, object one has a steeper slope, meaning it is moving faster.
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What is a fact about incline planes?
Answers
an electrical appliance draws a current of L.O.A. What fuse should be used for this connection
Answers
Explanation:
Bear in mind that the 13A fuse in the plug is not related to the 2A that your appliance draws. By the time the appliance causes the fuse to blow it is too late to protect the appliance.
The fuse rating is based upon the cable size between the plug and the point of failure. If the flex is sized to handle the full 3kW load, then a 13a fuse is reasonable. But if it is a lamp with skinny flex that is only intended to carry the 2A of the load, then protecting it with a 13A fuse risks further damage and possible ignition of the cord, and consequential building damage.
If you are aware of the core size of the cable, and have access to a set of copper tables, and know what the upper design limit is on the insulation temperature, then it is reasonable to make a judgement like you suggest.
If not, the easy decision is to rate the plughead fuse to suit the rating plate on the device. You know that the cable is sized to suit at least that load, so it is a sensible way to chose the fuse.
The piston of the piston-cylinder device containing a gas has a mass of 60 kg and a crosssectional area of 0.04m2 . The local pressure is 0.97 bar and the gravitational acceleration is 9.8 m/s2 . Determine the pressure inside the cylinder. Also, if some heat was added to the gas such that the volume doubles, do you expect the pressure inside the cylinder to change
Answers
The pressure exerted by the piston due to its weight is given by P_piston = m*g/A, where:
- m is the mass of the piston = 60 kg,
- g is the gravitational acceleration = 9.8 m/s^2, and
- A is the cross-sectional area of the piston = 0.04 m^2.
P_piston = 60 kg * 9.8 m/s^2 / 0.04 m^2 = 14700 Pa = 0.147 bar.
The total pressure inside the cylinder is the sum of the atmospheric pressure and the pressure due to the weight of the piston:
P_total = P_atmosphere + P_piston = 0.97 bar + 0.147 bar = 1.117 bar.
As for the second part of your question, when the volume of a gas is doubled due to the addition of heat (assuming this is an ideal gas), the change in pressure depends on the nature of the process.
If the process is isobaric (constant pressure), the pressure inside the cylinder will remain the same because the external pressure (atmospheric pressure plus the weight of the piston) remains constant.
If the process is isochoric (constant volume) or adiabatic (no heat exchange with the environment), the pressure would typically increase.
However, given that the volume changes (doubles in this case), this situation does not seem to follow an isochoric or adiabatic process. If we assume the process to be isothermal (constant temperature), the pressure would decrease since the volume has increased, based on Boyle's Law (P1*V1 = P2*V2). But this scenario is less likely because it is mentioned that heat is added to the system.
3. Explain what the law of conservation of momen-
tum means, and give example.
Answers
Answer:
The law of momentum means
Explanation:
Water in the Antarctica usually exists as ice ,making it very difficult to use the water or conduct experiments reqiring the water to be in liquid state .A coffee addicted physisits stationed at a research base requires about 0.8 kg of ice for his coffe on the hour
Answers
Answer:
2730.304 KJ
Explanation:
How much heat is required to convert 0.8 kg of ice at -35°C into steam at 100 C?
Given that:
mass of ice (m) = 0.8 kg = 800 g
Initial temperature (\(T_i\)) = -35°C = 238 K
final temperature (\(T_n\))= 100°C = 373 K
Specific heat of ice (\(S_i\)) = 2.108 J/g.K
Specific heat of water (\(S_w\)) = 4.18 J/g.K
Latent heat of fusion (\(L_f\)) = 334 J/g.
Latent heat of vaporization (\(L_v\)) = 2230 J/g.
\(\Delta T=T_n-T_i=373-238=135K\)
Total heat (Q) required to increase the temperature of ice from the initial temperature of 238K to final temperature of 373 K is given by the equation:
\(Q=m\Delta TS_i+m\Delta TS_w+mL_f+mL_v\\Q=800(135)*2.108+800(135)*4.18+800*334+800*2230\\Q=227664+451440+267200+1784000=2730304J\\Q=2703.304KJ\)
A 500 g block of metal absorbs 5016 J of heat when its temperature changes from 20.0°C to 30.0°C. Calculate the specific heat of the metal.
Answers
Explanation:
the answer is
s= 1.0032 J/ g .C
The specific heat of the metal is 1.0032 J/ g .C.
What is specific heat?The quantity of heat required to raise the temperature of one gram of a substance by one Celsius degree.
The formula is Cv = Q / (ΔT ⨉ m) Here, Q = absorbed heat = 5016 JMass m = 500gΔT = t1 - t2 = 30 - 20 = 10°CPutting above values in the equation we get,
Cv = 5016/(500 x 10)
Cv = 5016/5000
Cv = 1.0032J/g .C
Thus , the specific heat of the metal is 1.0032 J/ g .C.
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A 22 g block of ice is cooled to −70 ◦C. It is added to 589 g of water in an 83 g copper calorimeter at a temperature of 21◦C. Find the final temperature. The specific heat of copper is 387 J/kg · ◦C and of ice is 2090 J/kg ·◦C . The latent heat of fusion of water is 3.33 × 105 J/kg and its specific heat is 4186 J/kg · ◦C . Answer in units of ◦C
Answers
I