Using a cable with a tension of 1350 n, a tow truck pulls a car 5.00 km along a horizontal roadway. (a) how much work does the cable do on the car if it pulls horizontally

Answer:

The given potential energy of the spring is expressed as follows;

ΔUsp = -(WB + WW)

Where;

WB = Th work done by the spring on the block to which it is attached

WW = The work done by the spring on the wall

We recall that work done, W = Force applied × Distance moved in the direction of the force

The work done by the spring on the block, WB = The spring force × The distance the block moves

The work done by the spring on the wall, WW = The spring force × The distance the wall moves

However, given that the wall does not move, we have;

The distance the wall moves = 0

∴ The work done by the spring on the wall, WW = The spring force × 0 = 0 J

Therefore, WW = 0 J, and the spring does not do work on the wall, and WW can be ignored in the next subsequent) steps

Explanation:

Planetary winds and currents have a significant impact on the Earth's climate and weather patterns. They are influenced by a variety of factors such as solar radiation, the rotation of the Earth, and temperature gradients.

Planetary winds and currents move in the same direction, assisting in the transport of heat and moisture around the world. For example, trade winds move from subtropical high-pressure zones to equatorial low-pressure zones, whereas prevailing westerlies move from west to east. Warm currents flow from the equator to the poles, and cold currents flow from the poles to the equator, as do ocean currents. The direction and strength of planetary winds and currents influence climate and weather patterns in various parts of the world.

To Learn More About directions Click

https://brainly.com/question/14347208

#SPJ4

Answer:

current must flow and chemical energy must take place

First, plot the data shown as points.

The points are (0,0), (1.4, 10), (2.8, 20), (4.2, 30), (4.9, 35), (5.8, 40), and (8, 45).

The graph shows a proportional part (a straight line) and a curvy part. So, the limit of proportionality is shown at the end of the straight line segment. The image below shows this limit.

The gradient of the straight-line portion refers to the slope. Let's use the points (1.4, 10) and (2.8, 20).

Therefore, the gradient is 7.14.

The Young modulus formula is

Let's use the greater force and the greater extension.

Therefore, Young Modulus is 1.6x10^11.

Answer:

Probable Reason - Break in filament of electric bulb

Explanation:

An electric bulb might not glow even if it is connected to the cell, possibly  because of break in the filament of electric bulb. As, break in bulb's filament implies break in flow of electric current - between electric cells' terminal.

An evident example of this is , a fuse bulb doesn't light up as the current doesn't pass through filament.

The work required by the process is _____ kJ/kg.

The work required to compress water isentropically from 10°C and 81.4 percent quality to 3 MPa can be determined using steam tables. The first step is to locate the initial state of water at 10°C and 81.4 percent quality in the steam tables. From the tables, we find the specific enthalpy (h1) and specific entropy (s1) values for the given state.

Next, we find the specific enthalpy (h2) at the final state of 3 MPa from the steam tables.

Using the isentropic compression process, we assume that the entropy remains constant (s2 = s1).

The work required (W) can be calculated using the equation:

W = h1 - h2

Substituting the values obtained from the steam tables, we can find the work required per kilogram in kJ.

Steam tables provide a comprehensive set of data for water and steam properties, including enthalpy, entropy, and other thermodynamic parameters. These tables are essential for engineers and scientists working with steam and thermal systems. By utilizing steam tables, it becomes possible to accurately calculate various processes involving water and steam, such as compression, expansion, and phase changes. They are widely used in fields like power generation, HVAC systems, and industrial processes. Understanding and effectively utilizing steam tables are crucial skills for professionals in these domains.

Learn more about work

brainly.com/question/18094932

#SPJ11

Water at 10°C and 81.4 percent quality, when compressed isentropically in a closed system to 3 MPa, requires a work of _______ kJ/kg.

The work required for this process can be determined by considering the initial and final states of the water percent quality and applying the principles of thermodynamics. At the given initial condition of 10°C and 81.4 percent quality, we can use steam tables to find the specific enthalpy and entropy values.

By applying the isentropic compression process, we can determine the final state of the water at a pressure o f 3 MPa. The difference in specific enthalpy between the initial and final states givesus the work required per unit mass.To calculate the specific enthalpy at te initial state, we use the steam tables to find the enthalpy of water at 10°C, which is h1. Similarly, the specific entropy at the initial state is obtained from the steam tables as s1.

By assuming an isentropic process, the specific entropy at the final state, s2, remains the same as s1. Using the final pressure of 3 MPa, we find the specific enthalpy of water at this state, h2, from the steam tables.

The work required per unit mass (w) cn be calculated using the equation:

w = h2 - h

Substituting the values obtained from the steam tables, we can determine the work required for this process in kJ/kg.

Learn more about  percent quality

brainly.com/question/32420797

#SPJ11

Answer:

through the use of a Gold leaf electroscope

Answer:

quantitive observation

quantitative observation is a data analysis that is objective. It measures research variables using numerics and statistics. It is a method of observation that views research variables in quantity, which is why the values can be counted in something like age, weight, volume, and scale.

Given,

u = 0.5 m/s

a=0.05 m/s²

and v=0

Now, v = u − at

=> 0 = 0.5−(0.05×t)

=> t = 10 s

after 10s it will stop

velocity after 5s is

v = 0.5-(0.05×5) = 0.25 m/s

Answer:

0.25 meter per second

Explanation:

I hope this helps and study well

The net force needed to lift a full grocery sack uniformly is 32.115 N.

When two or more forces are acting on the system of objects, then the to attain equilibrium, net force must be zero.

Given the weight of sack W = 210N and the acceleration a = 1.5m/s².

The mass of the sack will be

m = Weight / acceleration due to gravity

m = 210 N/9.81 m/s²

m = 21.41 kg

Using Newton's second law, the net force will be

F = mass x acceleration

F= 21.41 x 1.5

F = 32.115 N

Thus, the net force is 32.115 N.

Learn more about net force.

https://brainly.com/question/18031889

#SPJ1

The energy required to heat up 100.0 grams of water from 0.000C to 60.00C is 25,080 Joules.

To calculate the amount of energy required to heat up 100.0 grams of water from 0.000C to 60.00C, the following equation must be used:  Energy (Joules) = mass (grams) x specific heat capacity (J/g°C) x temperature change (°C)

In this case, the energy required is Energy ((Joules) = 100.0 (grams) x 4.18 (J/g°C) x 60.00 (°C) = 25,080 Joules  The specific heat capacity of water is 4.18 J/g°C, which is a measure of how much energy is required to raise the temperature of 1 gram of water by 1°C. In this equation, 100.0 grams of water is being heated from 0.000C to 60.00C, which is a temperature change of 60.00 degrees Celsius.

To know more about heat refer to the  link brainly.com/question/21041726

#SPJ4

The given statement "If line of a circuit had a potential of 120 V and line two was neutral, the potential voltage (difference) between line one and line two would be zero volts" is True.

A neutral wire is a type of wire used in electrical distribution systems, typically in domestic environments. A neutral wire, unlike other wires, carries current just when there is an imbalance in the circuit. It's typically kept grounded for protection and security reasons. In a typical single-phase AC power supply system, a neutral wire is a return wire that carries current back to the generator or transformer.

Thus, the given statement is true. The voltage potential difference between line one and line two would be zero volts if line one had a potential of 120 V and line two was neutral.

Learn more about voltage at

https://brainly.com/question/32002804

#SPJ11

Thermal insulation reduces unwanted heat loss and also reduces unwanted heat gain.

Insulation creates a barrier between the hot and the cold object by reducing heat transfer by either reflecting light radiation.

Insulating materials are bad conductors of electricity and heat. So, insulating reduces the heat loss via conduction.

Thermal energy is prevented to increase the temperature of building in summers and decrease in winters. The thermal energy transfer plays vital role in insulating a building.

Thus Thermal insulation reduces unwanted heat loss and also reduces unwanted heat gain.

Learn more about insulation.

https://brainly.com/question/24909989

#SPJ1

The value of force is 1.7 × 10⁻³ N, with the direction opposite to that of the bat's motion.

When an object collides with another object, they exchange energy. For example, a baseball and bat collision or a car collision. When two objects collide, the force of the collision has to be equal on both sides of the collision according to Newton's Third Law. So, to find the value of force, we will apply the equation:

F = ΔP / ΔT

where F is the force, ΔP is the change in momentum, and ΔT is the time of collision. The equation represents the impulse momentum theorem.

Now, let's apply the given values to the above equation.

Final momentum (p2) = mass × final velocity (v2)

p2 = 0.15 kg × (-50 m/s)

p2 = -7.5 kg.m/s

Initial momentum (p1) = mass × initial velocity (v1)

p1 = 0.15 kg × (40 m/s)

p1 = 6 kg.m/s

Change in momentum (ΔP) = p2 - p1

ΔP = -7.5 kg.m/s - 6 kg.m/s

ΔP = -13.5 kg.m/s

Time of collision (ΔT) = 8.0 × 10³ s

Now, putting the values of ΔP and ΔT in the equation of impulse momentum theorem, we get:

F = ΔP / ΔT

F = -13.5 kg.m/s ÷ 8.0 × 10³ s

F = -1.7 × 10⁻³ N

Thus, the value of force is 1.7 × 10⁻³ N, with the direction opposite to that of the bat's motion.

Learn more about motion here :-

https://brainly.com/question/33317467

#SPJ11

Answer:

25000 N

Explanation:

\(force \: = pressure \times area \\ = 50000 \times 0.5 \\ = 5000 \times 5 \\ = 25000 \: N\)

The best telescope for studying the hottest intergalactic gas (10 million K) in a cluster of galaxies would be the Chandra X-ray Telescope.

This is because the intergalactic gas in the cluster emits primarily in the X-ray part of the electromagnetic spectrum due to its high temperature. The Chandra X-ray Telescope is specifically designed to detect and image X-rays from astronomical sources, and it has a high angular resolution and sensitivity in the X-ray band.

On the other hand, the Herschel Infrared Telescope is designed to study the far-infrared part of the spectrum, while the Very Large Array Radio Telescope is designed for radio observations. The Hubble Space Telescope is best suited for studying objects in the visible, ultraviolet, and some infrared wavelengths.

Therefore, the Chandra X-ray Telescope would be the best option for studying the hot intergalactic gas in a cluster of galaxies, as it is specifically designed for detecting and imaging X-rays, which is where the gas emits most strongly.

For more question on telescope click on

https://brainly.com/question/28113233

#SPJ11

Answer:

False. Not everything can turn into a black hole. The formation of a black hole requires a massive object, typically a star, to collapse under its own gravity. This collapse causes the object to become so dense that it creates a singularity, a point of infinite density at the center of the black hole, which is surrounded by an event horizon, the point of no return beyond which nothing, not even light, can escape. So, only objects with sufficient mass and gravity can become black holes.

Explanation:

Answer:

the amount of force that keeps two surfaces touching, but does not let them come apart or press further together

Explanation:

Hope this helps - Good luck ^w

Normal force is the support force exerted upon an object that is in contact with another stable object.

Answer:

Option(a) i.e" pH" is the correct answer to the given question .

Explanation:

The main objective of pH value is to determining whether the solution is the acidic or the basic solution.The pH is determining the solution whether it is basic or acidic with the help of there pH value .The range of the pH value is from 0 to 14 with the following parameter it determines whether the solution is basic ,acidic or the neutral solution  .

All the other option are not determining that whether the solution is acidic or the basic solution that's why these are incorrect option .

Answer:

the answer is A pH

got it right 2020

Explanation:

compressed0.32 meters

Explanation

Step 1

The force exerted by a spring on objects attached to its ends is proportional to the spring's change in length away from its equilibrium length and is always directed towards its equilibrium position.

so

let

replace and solve for x

the negative symbol indicates the spring is compresed

so, the answer is

0.32 meters

I hope this helps you

Evolution is widely accepted as a scientific fact within the scientific community. The theory of evolution, based on extensive evidence from various fields of science, provides a comprehensive framework to explain the diversity and complexity of life on Earth.

The course reading "The Evolution of Life" by Hewitt, Lyons, Suchocki, and Yeh likely presents evidence supporting evolution, such as fossil records, comparative anatomy, molecular genetics, and observed instances of speciation. Additionally, numerous academic and news articles support the overwhelming consensus on evolution as a scientific fact. Here are some key points to consider:

Fossil Record: The fossil record provides a wealth of evidence for evolution, demonstrating the progression and change of species over time. Fossils document transitional forms, such as the evolution of whales from land-dwelling mammals, providing strong evidence for common ancestry.

Comparative Anatomy: Comparative anatomy reveals striking similarities in the structures of different species, suggesting common ancestry and shared evolutionary history. For example, the pentadactyl limb structure found in humans, cats, bats, and whales points to a common ancestor.

Molecular Genetics: Genetic studies, including DNA sequencing and comparative genomics, provide strong evidence for evolution. DNA similarities between species reflect their evolutionary relationships. Molecular clocks help estimate the timing of divergence between species and support the concept of common ancestry.

While it is important to acknowledge that there may be individuals who hold dissenting views, it is essential to recognize that the overwhelming majority of scientists and scientific organizations accept evolution as a scientific fact based on extensive evidence from various scientific disciplines.

Learn more about Fossil Record here:

https://brainly.com/question/7671909

#SPJ11

If one gas's partial pressure is 70 torr as well as the second gas's partial pressure is 30 torr, then the total force exerted by such a mixture including those two gases is 100 torr.

Pressure is characterised as the thrust acting per unit area of a body (perpendicular force on a surface). Mathematically, it can be stated as follows: Pascal is the SI unit of pressure (Pa). One Pascal is the amount of pressure one Newton of force produces over a one-meter-squared surface. In addition, 1 P a = 1 N / m 2.

Air pressure is described as that of the average energy transfer every unit area per unit time caused by molecular collisions between such a confined gas as well as its boundary in the kinetic theory for ideal gases. A surface's pressure can be expressed as the amount of force applied per square inch. Pressure P=F/A if normal Force is applied to area A.

Total pressure = 70torr + 30torr

=100torr.

To know more about Pressure visit:

https://brainly.com/question/14982706

#SPJ4

Answer:

A bricklaying job

Explanation:

To start with an acute strain is a type of inury that occurs when heavy objects are improperly lifted an individual in ways that the person's muscles becomes overstressed.

There are a number of jobs that are likely to cause acute strain including bricklaying jobs. People engaged in bricklaying jobs tend to improperly lift heavy objects, an activity that leads to repititive and prolonged overuse of muscles and tendons which is known as acute strain.

Another example of a job that can lead to acute strain is furniture moving.

The negative work done means the kinetic energy of the object decreases instead of increasing.

To know more about  Work done visit

https://brainly.com/question/28172139

#SPJ4

The diffraction grating affects the light from a hydrogen lamp as it produces the separation of the colors of the white light. The spectrum can be viewed through the grating,

The index of refraction of the material is calculated by dividing the speed of light in a vacuum by the speed of light in the material, which in this case gives an index of refraction of 1.36.

To provide an explanation, the index of refraction is a measure of how much a material slows down the speed of light passing through it compared to its speed in a vacuum.

The formula for calculating the index of refraction is n = c/v, where c is the speed of light in a vacuum and v is the speed of light in the material.
In this case, we know that the speed of light in the material is 2.2 x 10^8 m/s. Substituting this value into the formula, we get n = 3.0 x 10^8 m/s / 2.2 x 10^8 m/s = 1.36. Therefore, the index of refraction of the material is 1.36.

To summarize, the index of refraction of the material is calculated by dividing the speed of light in a vacuum by the speed of light in the material, which in this case gives an index of refraction of 1.36.

Learn more about light click here:

https://brainly.com/question/104425

#SPJ11

The tension in the cable that supports the elevator of given mass and acceleration is 20230 N.

What is tension?

When two or more real things come in contact with one another, forces are applied between them. We refer to these contact forces by various names depending on the objects in contact. We refer to the force as tension if one of the items in contact is a string, rope, cable, or spring.

Given in the question,

Mass of elevator = 2890 kg

Acceleration = 2.80 m/s2

we can calculate the tension using formula:

mg-T = ma

T = m(g-a)

T = 2890(9.8 - 2.80)

Tension = 20230 N

To know more about tension, go to link

https://brainly.com/question/24994188

#SPJ4

Answer:

Camilla

Explanation:

Answer:Camilla        

Explanation: