An impulse of 20,000 N*s is applied to a car, bringing it to a stop in 0.17 seconds. What force was applied to the car?

Rules for naming compounds are beneficial to the scientific community because it makes it easy to communicate scientific information.

Many compounds are called by different names among different groups of scientists in different parts of the world.

However, information sharing is a very vital aspect of scientific advancement. If scientists can not share information, then scientific research becomes more difficult.

There is therefore a need for a standard set of rules for naming compounds which are known to all.

This makes it easier for scientists to share information without encumbrances.

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The take-off speed of the plane as it accelerate from rest is 36.65 m/s.

Speed can be defined as the ratio of distance to time.

To calculate the the take-off speed of the plane, we use the formula below.

Formula:

Make v the subject of the equation

Where:

From the question,

Given:

Substitute these values into equation 1

Hence the take off speed of the plane is 36.65 m/s.

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Given information: The average method reports the following unit data for the forming department. Units completed in the forming department are transferred to the painting department. Production cost information for the forming department follows.

Direct materials:
Units completed during the period = 45,000 units
Ending work in process inventory = 5,000 units
Direct materials cost = $202,500

Conversion costs:
Units completed during the period = 45,000 units
Ending work in process inventory = 5,000 units
Conversion cost = $189,000

a. Calculation of equivalent units of production for both direct materials and conversion for the forming department:
Equivalent units of production = Units completed during the period + (Ending work in process inventory * Degree of completion)
Direct materials:
Equivalent units of production = 45,000 + (5,000 * 50%) = 47,500 units

Conversion costs:
Equivalent units of production = 45,000 + (5,000 * 60%) = 48,000 units

b. Calculation of the cost per equivalent unit of production for both direct materials and conversion for the forming department:
Cost per equivalent unit of production = Total cost for the period / Equivalent units of production

Direct materials:
Cost per equivalent unit of production = $202,500 / 47,500 units = $4.26 per unit

Conversion costs:
Cost per equivalent unit of production = $189,000 / 48,000 units = $3.94 per unit

c. Calculation of the cost assigned to the forming department's output using the weighted average method:
Total cost = Cost of units transferred out + Cost of ending work in process inventory
Cost of units transferred out = Number of units transferred out * Cost per equivalent unit of production
Cost of ending work in process inventory = Number of units in ending work in process inventory * Cost per equivalent unit of production

Direct materials:
Cost of units transferred out = 40,000 * $4.26 per unit = $170,400
Cost of ending work in process inventory = 5,000 * $4.26 per unit = $21,300
Total cost = $170,400 + $21,300 = $191,700

Conversion costs:
Cost of units transferred out = 40,000 * $3.94 per unit = $157,600
Cost of ending work in process inventory = 5,000 * $3.94 per unit = $19,700
Total cost = $157,600 + $19,700 = $177,300

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The light-colored mountainous regions of the moon are called highlands or lunar highlands.

The lunar highlands are the bright, rugged, and heavily cratered regions of the moon's surface.

They are composed mainly of anorthosite, a type of rock rich in plagioclase feldspar. These highlands are characterized by their light color compared to the darker lunar maria, which are large, flat plains composed of basaltic lava flows.

The highlands cover a significant portion of the moon's surface and are thought to be some of the oldest terrains on the moon, dating back to the early stages of its formation.

They are created by impact events, where meteoroids and asteroids collide with the moon, excavating material and forming craters.

The highlands are of great scientific interest as they provide valuable information about the moon's geological history and its early evolution.

They have been extensively studied through lunar missions and observations from Earth, contributing to our understanding of the moon's formation and its geological processes over billions of years.

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The gravitational potential energy associated with the plane is 2.36 x \(10^{5}\) J

Gravitational potential energy is energy an object possesses because of its position in a gravitational field.

It is given by P.E = mgh

where m = mass

g= acceleration due to gravity

h = height of the object

Here,

h = 1.45km  = 1450 m

P.E = 3.36 x \(10^{9}\) J

g = 9.8m/\(s^{2}\)

therefore, m = P.E/ gh = (3.36 x \(10^{9}\)s J)/ 9.8 x 1450

m = 2.36 x \(10^{5}\)

Hence mass of the airplane is 2.36 x \(10^{5}\)

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The relationship between heat and pressure is that they are directly proportional to each other by Gay-lussac law.

Heat is the energy that moves from one thing to another when temperatures are different. Heat passes from the hotter to the colder body when two bodies with different temperatures are brought together. Usually, but not consistently, this energy transfer results in a rise in the heat of the colder body and a fall in the temperature of the hotter body.

By switching from one physical situation (or phase) to the other, such as melting from a solid to a liquid, sublimation from a solid to a vapor, boiling from a liquid to steam or changing from one stable state to another, a substance can absorb heat without increasing in temperature.

The relationship between pressure and temperature for a given volume of gas is straightforward. Pressure rises in systems when temperature increases, and vice versa. The Gay-law Lussac specifies the link between a gas's pressure and temperature.

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Answer:

5

Explanation:

The statement " to estimate the distance in kilometers of a flash of lightning, count the number of seconds between seeing the flash and hearing the accompanying thunder, then divide by 3." is true.

The technique used to estimate the distance of lightning is called the "flash-to-bang" method. It is based on the fact that light travels faster than sound. When you see the flash of lightning, start counting the seconds until you hear the thunder.

Since sound travels at a speed of approximately 340 meters per second, dividing the number of seconds by 3 will give you an estimate of the distance in kilometers. For example, if it takes 9 seconds for the thunder to reach you, the lightning is approximately 3 kilometers away (9 seconds divided by 3 = 3 kilometers).

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Based on the given scenario, the appropriate action would be to B. turn outbound and complete the procedure turn.

Since you have not been cleared for the approach and are being vectored to the ILS approach course, it is clear that you will pass through the localizer course unless you take action. In this situation, the standard procedure is to turn outbound and complete the procedure turn.

The procedure turn allows you to safely maneuver and align with the final approach course. Once you have completed the procedure turn, you can then turn inbound and join the final approach course to continue the approach.

It is important to follow the prescribed procedures and communicate with air traffic control (ATC) for further guidance or clearance if needed. However, in this scenario, the most appropriate initial action would be to turn outbound and complete the procedure turn before proceeding further.

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If you are unable to detect any Doppler shift from a star in an extrasolar planet system, then it is likely that the system is oriented in such a way that the planet's orbit is perpendicular to your line of sight.

An extrasolar planet system means that the planet is neither moving towards nor away from you as it orbits around its star, and therefore there is no Doppler shift in the star's spectral lines. However, it is also possible that the planet's orbit is oriented at an angle with respect to your line of sight, but its mass is too small or its orbit too far from the star to produce a measurable Doppler shift.

The system must be oriented in such a way that the star's motion is perpendicular to your line of sight. In other words, you are observing the system edge-on. In this orientation, the star's motion towards or away from you is minimized, making it difficult to detect any Doppler shifts.

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Answer: it’s Supernovae that are moving away at an accelerating rate.

The evidence for the existence of dark energy is that Supernovae that are moving away at an accelerating rate.

is evidence for the existence of dark energy.

Much more evidence took taken earlier the year from a survey of 250,000 galaxies.

Dark matter are often known to be matter that we cannot see but one which can exerts a gravitational influence on stars and galaxies.

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Answer:

binoculars,spyglass,telescope etc

Answer:

In nuclear physics and nuclear chemistry, nuclear fission is a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into two or more smaller, lighter nuclei. ... Fission is a form of nuclear transmutation because the resulting fragments are not the same element as the original atom.

Explanation:

Plz mark brainliest thanks

Answer:

It would take 8.22037 hrs away. Wouldn't it?

Explanation:

Because

    4.11016

    4.11016

            15

= 8.22037

The SI unit of the proportionality constant G is given as

[G]  = [M]^3 / [Kg  s²]

Newton's law of universal gravitation states that  every particle attracts every other particle in the universe with a force that is proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

We substitute [kg]=[M], [m]=[L], and [F]-[kg x m] / [s²]- [M] [L]/ [T²]

into

Newton's law of universal gravitation to obtain

[M][L] [G][M] [T [CF

Solving for [C] then gives

m³

[G] = [L]^3  / [M][T]² kg

[G]  = [M]^3 / [Kg  s²]

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Answer:

what information?

Explanation:

Answer: becuase----Mercury is the only one in liquid state at room temperature. It's used in thermometers because it has high coefficient of expansion. ... It also has a high boiling point which makes it very suitable to measure higher temperatures. Also, it has a shiny appearance and doesn't stick to the glass surface of glass.

Explanation: hope i helped c:

Answer:

don't know

Explanation:

don't know cause i don't read physic

Answer:

Study of static electricity and the condition under which electricity is conducted by different substances.

The speed of wave with a wavelength of 4 m and a frequency of 85 Hz is 340m/s

The speed of a wave is the product of the frequency of the wave and its wavelength. Mathematically, it is expressed as:

\(v = f \lambda\) where:

f is the frequency

\(\lambda\) is the wavelength

Given the following:

f =85Hz

\(\lambda\) = 4 m

Substitute the given parameter into the formula:

v = 85 × 4

v = 340m/s

Hence the speed of wave with a wavelength of 4 m and a frequency of 85 Hz is 340m/s

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Edwin Hubble studied the Andromeda galaxy and found that it was an individual galaxy and not part of our own milky way is Hubble discovered this by observing a variable star, known as a Cepheid variable, in the Andromeda galaxy and measured its distance from Earth.

The Cepheid variable was used to measure the galaxy's distance because the star's brightness varied predictably, and the brightness was directly related to its distance from Earth. By studying the Andromeda galaxy, Hubble discovered that it was much farther away from Earth than originally thought, and it was actually a separate galaxy rather than a part of the Milky Way.

This discovery proved the existence of other galaxies outside of our own Milky Way, which was a groundbreaking finding at the time and paved the way for modern astronomy. Overall, Hubble's study of the Andromeda galaxy provided significant evidence to support the theory that the universe was much larger than previously thought and made a huge contribution to our understanding of the universe.

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The estimated demand for Week 4 is 36.3

MAD(Mean Absolute Deviation) is used to calculate the average difference between forecast values and actual values. It calculates the deviation by taking the absolute value of the difference between actual and forecasted demand. The formula to calculate Mean Absolute Deviation is:

MAD= Sum of| Actual demand - Forecast demand | / number of periods

In the given table, the Actual demand is shown as B and the forecast demand is shown as F.

B Actual Forecast 11 40 41 35 38 3 38 35 33 30

Calculation of MAD:

Actual (B) Forecast (F) |B-F|11 40 29.041 35 5.043 38 0.053 3 35.054 38 3.055 35 0.056 33 3.057 30 3.058 0.0 30.0Total 103.0

The number of periods is 9 as shown in the table.

MAD= 103/9MAD= 11.44

Mean Squared Error (MSE) measures the average squared difference between the actual and forecasted values. The formula for MSE is:

MSE= Sum of (Actual demand - Forecast demand)^2 / number of periods.

Calculation of MSE:

Actual (B) Forecast (F) (B-F)^2 11 40 841 35 25 625 38 0 0 3 35 484 38 0 0 35 33 4 30 0 900Total 2854

The number of periods is 9 as shown in the table.

MSE= 2854/9MSE= 317.1

Therefore, the calculated MAD is 11.44 and MSE is 317.1.

Trend Projection formula is given by:

Y = a + bx

where Y is the estimated demand for a particular period.

a is the Y-intercept

b is the slope of the regression line x is the period number

In the given table, the Week number is shown as X and the Actual demand is shown as Y.

Week number Actual Demand 11 24 22 29

Using trend projection for Week 3, we can calculate the demand as follows:

Slope (b) = (nΣ(xy) - Σx Σy) / (nΣ(x^2) - (Σx)^2) =(2*22 - 1*24)/(2*3 - 1*1) = 20/5 = 4

Intercept (a) = Σy/n - b(Σx/n) =(24+22)/2 - 4(2/2) = 23Y = a + bx = 23 + 4(3) = 35

Therefore, the estimated demand for Week 3 is 35.

Using trend projection for Week 4, we can calculate the demand as follows:

Slope (b) = (nΣ(xy) - Σx Σy) / (nΣ(x^2) - (Σx)^2) =(2*29 - 1*24)/(2*5 - 1*1) = 34/9 = 3.78

Intercept (a) = Σy/n - b(Σx/n) =(24+22+29)/3 - 3.78(2.0) = 21.5Y = a + bx = 21.5 + 3.78(4) = 36.3

Therefore, the estimated demand for Week 4 is 36.3.

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Answer:

119 cm

Explanation:

Given heights :  200cm , 188 cm , 175 cm, 160 cm

since the eyes are at 95% level

95% of 200 cm = 190 cm

95% of 160 cm = 152 cm

hence the allowable height of mirror = 200 - ( 5 + 76 ) = 119 cm

and The mirror should be hung 75cm from the floor

Answer:

60

Explanation:

(hint: speed = distance/time)

The average speed for this trip will be \(\rm 60 mile\ hr^{-1}\). The ratio of the total distance and time is average velocity.

The total distance traveled by an object divided by the total time taken is the average speed.

The average speed of an object indicates the pace at which it will traverse a distance. The metric unit of speed is the meter per second.

The given data in the problem is;

t is the time taken = 5 hour

d is the distance tyravelled=300 miles

The average velocity is found as;

\(\rm v_{avg} = \frac{d_{total}}{t{total}} \\\\\ \rm v_{avg} = \frac{300}{5} \\\\ \rm v_{avg} = 60 mile\ hr^{-1}\)

Hence the average speed for this trip will be \(\rm 60 mile\ hr^{-1}\)

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Explanation:

The calcified bones of our skeleton work with circulatory system. Marrow inside our bones helps to produce cell inside blood. Both red blood cell and white blood cell are produced in bones. Circulatory system delivers oxygenated blood into bones.

Rightward acceleration is 16.5 m/s² and the net force is 165 N. The acceleration of an object is determined by its mass divided by the net force acting on it, in accordance with Newton's second law of motion.

The total of all forces exerted on an object is known as the net force. A mass can accelerate due to net force. A body is subject to another force whether it is at rest or in motion.

A moving item accelerates due to resultant force. Always moving in the same manner as the net force is acceleration. When something is being pushed to the right with more force than resists and its resultant torque is to the right, it will accelerate to the right.

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Answer:When two different materials are rubbed together, there is a transfer of electrons from one material to the other material. This causes one object to become positively charged (the electron loser) and the other object to become negatively charged (the electron gainer

Explanation:

The input power required for a mass flow rate of 60 kg/min is calculated to be 871.35 kW.

Given that,

Initial temperature T₁ = 295 K

Final temperature T₂ = 460 K

Initial pressure P₁ = 105 k pa

Final pressure P₂ = 700 k pa

The specific heat loss from the compressor Q = 15 kJ/kg

The mass flow rate m = 60 kg/min

Refer to the properties of element to determine the specific heat of helium.

Cp = 5.19 kJ/kg.K

Apply the energy balance equation for calculating the input power.

W - m Q = m h₁ - m h₂

W - m Q = m (h₁ - h₂)

W - m Q = m Cp (T₁ - T₂)

where,

W is the input power

h₁ and h₂ are the initial and final enthalpy

Placing the values in the above expression, we have,

W - 60 kg/min (1 min/60 sec) × (-15 kJ/kg) = 60 kg/min (1 min/60 sec) × 5.19 kJ/kg.K (295 K - 460 K)

W = -871.35 kJ.s (1kW/1kJ) = -871.35 kW

Thus, the input power = 871.35 kW.

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Answer:

Explanation:

Minimum force needed to set the flower in motion = maximum frictional force

possible on the flower by the floor .

= μ x mg

where μ is coefficient of friction of the floor and mg is weight of the flower

= .76 x 11 x 9.8

= 81.9 N

When the flower is in motion , kinetic friction is applied on it

Force of kinetic friction applied on it

= μk x mg where μk is coefficient of  kinetic friction of the floor

= .44 x 11 x 9.8

= 47.43 N

Pushing force is 81.9 N , so net force on flower when it is in motion

= 81.9 - 47.43 N

= 34.47 N

Acceleration = net force / mass

= 34.47 / 11

= 3.133 m /s

distance moved by flower in 3.75 s

s = ut + 1/2 a t²

= 0 + .5 x 3.133 x 3.75²

= 22 m