A young man exerted a force of 9,000 N on a stalled car but was unable to move it. How much work was done?

Answers

Answer 1
W=F*s
W=9000*0
W=0
W:Work
F:Force
s:Distance

Related Questions

NEED THIS DONE ASAP HELP

Answers

Answer: Exercise Physiology

Explanation:

Kelly Clarkson is running between the Patronas towers in Kuala Lumpur on a tightrope at a speed of 15 m/s. Kelly currently weighs 79 kg. What is her KE?

Answers

KE = 8887.5 J

Further explanation

Given

speed = 15 m/s

weight = 79 kg

Required

KE-Kinetic energy

Solution

Energy is the ability to do work  

Energy because its motion is expressed as Kinetic energy (KE) which can be formulated as:  

[tex]\large {\boxed {\bold {KE = \frac {1} {2} mv ^ 2}}}[/tex]

Input the value :

KE = 1/2 x 79 kg x 15² m/s²

KE = 8887.5 J

Answer:

KE = 8887.5 J

Review the poster.

https://www.cdc.gov/handwashing/pdf/wash-your-hands-fact-sheet-508.pdf

Which statement best describes the purpose of the “Stop Germs! Wash Your Hands” poster?


to inform people of when, how, and why to wash their hands


to entertain people with a how-to demonstration


to describe the sensory experience of washing hands


to persuade people to engage in more healthy hygiene practices

Answers

Answer: A, to inform people of when, how, and why to wash their hands.

Explanation: in the poster it shows when you should wash your hands, how you should wash your hands, and why its important to wash your hands! Please give brainliest!

The statement on the CDC  poster is meant to to inform people of when, how, and why to wash their hands.

Why hand washing?

Hand washing is a very important way of stopping the spread of infectious diseases. We saw this especially during the pandemic when there was a wider call for hand washing.

The statement  “Stop Germs! Wash Your Hands” on the CDC  poster is meant to to inform people of when, how, and why to wash their hands.

Learn more about hand washing: https://brainly.com/question/17756657

Which of the following is NOT a example
of a chemical change?
A. an egg being cooked
B. a piece of paper being torn
C. a piece of bread being toasted

Answers

Answer:

B. a piece of paper being torn

Explanation:

A chemical change is one that cannot be reversed. This means the original properties of the substance or object cannot be restored.

If you cook a raw egg, it would turn into a boiled egg (or a poached egg, however it is being cooked). The reaction is irreversible, so you cannot turn the cooked egg back into a raw egg - it is basically impossible to 'uncook' an already cooked egg.

When you toast a piece of bread, it turns into toast. You can't 'untoast' it back into bread. The chemical changes have already occurred and cannot be undone.

If you tear a piece of paper, it is still paper. You are only ripping it, not changing anything about it. You could simply tape the torn bit back to the original bit, or glue it - either way, it is still paper and nothing has occurred to drastically change the physical state of it.

Therefore, B is not a chemical change.

The use of force to move an object is
.

Answers

The use of force to move an object is called work. This only applies if the object moves.

PLEASE HELP WITH THIS!

Answers

Answer: A

Explanation:

Parallel circuit. The source current is three times the current of a single bulb

can you please explain hooks law?

Answers

Explanation:

Hooke's law is a law of physics that states that the force needed to extend or compress a spring by some distance scales linearly with respect to that distance—that is, Fₛ = kx, where k is a constant factor characteristic of the spring, and x is small compared to the total possible deformation of the spring.

out of solid and liquid in which the effect of gravity is more​

Answers

Answer:

Liquid

Explanation:

Thw answer is liquid

Gravity affects liquids more because without a container it’s more likely to fall

what is the magnitude of velocity for a 1500 kg car possessing 4500 kgm/s of momentum?

Answers

It would have to be 3,75m/s

A motorcycle cop, parked at the side of a highway reading a magazine, is passed by a woman in a red Ferrari 308 GTS doing 120.0 km/h. After a few attempts to get his cycle started, the officer roars off 2.00 s later. At what average rate must he accelerate if 159 km/h is his top speed and he is to catch her just at the state line 3.04 km away?

Answers

Answer:

XZXDHF

Explanation:ZDHF

What is the metric system of 1.0km to mm

Answers

Answer:

1 kilometer is equivalent to 1,000,000 <(million) millimeters

1000000 mm is the metric system of 1.0km

force of 7 N acts on an object.
The displacement is, say 8 m, in
the direction of the force
(Fig. 11.3). Let us take it that the
force acts on the object through
the displacement. What is the
work done in this case?​

Answers

Explanation:

Given

Force (F) = 7 N

Displacement (d) = 8 m

work done (W) = ?

We know that

W = F * d

= 7 * 8

= 56 J

The work done in this case is 56 Joule.

Which features do sound waves have that ocean and light waves do not? Check all that apply.

compression
rarefaction
amplitude
wavelength
crests
frequency
speed

Answers

Answer:

frequency

Explanation:

Answer:

compressions and rarefactions

Explanation:

edge 2022

When a pressure is applied to an object, the volume of the object:
a. stays the same
b. increases
c. decreases

Answers

Answer:

C because at higher altitude the air density becomes smaller

Weightlessness occurs when an object applies a reaction force to another object. Please select the best answer from the choices provided T F

Answers

Answer: The answer is F

Explanation: because it is I took the test

Identical twins, Angela and Aisha, were both born with cystic fibrosis, a genetic disorder. As they grew older, Aisha was able to stay healthy
for much longer periods of time than Angela.

Answers

Answer:

Their differences are most likely due to non shared environmental influences

a cycle lasts for 8 seconds. what is the frequency

Answers

This frequency definition leads us to the simplest frequency formula: f = 1 / T . f denotes frequency and T stands for the time it takes to complete one wave cycle measured in seconds. The SI frequency unit is Hertz (Hz), which equals 1/s (one cycle per second)

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Hope It Helps!

Can someone please give me the answer by 10 minutes

Answers

24N is the answer
You would need to multiply 8 until you get to a number.

Which of the following correctly represents an element?
A Water - H20
B Copper - Cu
C Carbon monoxide - CO
D Salt - NaCl

Answers

A water - H20 because you can touch it

Answer:

A water H2O

Explanation:

H2O is composed of 2 hydrogens which is represented H2 and the hydrogen is combined with one oxygen which forms water which is H2O

Which layer in the image above represents the layer of the Earth composed of liquid metal? *

Answers

Answer:

4

Explanation:

Which of the following is an example of an electromagnet?
A. The magnets used to lift metal or cars in a salvage/junk yard
B. the bar magnets we used in the lab
C.the magnets used to hold pictures on a refrigerator or papers on a metal filing cabinet

Answers

Answer:

A. The magnets used to lift metal or cars in a salvage/junk yard

Explanation:

An electromagnet  is defined as a type of magnet which are made up of wires in coil shape. Magnetic field in these wires are produced by electric current.

An example of an electromagnet is magnets used to lift metal or cars in a salvage/junk yard because a crane is used in junkyard to lift metal in which crane is attached to a iron disc and when electricity is off, the disc move downwards and placed near required metal and switch on the electricity when disc reaches on metal or cars to be lifted. This electricity generates magnetism in the iron disc and attract metal or cars from the junkyard.

Hence, the correct answer is "A. The magnets used to lift metal or cars in a salvage/junk yard".

Help! I don’t really know what it’s asking

Answers

You have to do the math of each and see which one adds up to 66.5

how do I convert 550 nm to cm

Answers

Answer:

it = 5.5e-5 cm

just tyoe in on the search bar nm to cm and a calculatro comes up

Explanation:

when you do work on an object you transfer,

Answers

where you supposed to finish it?
what? this doesn’t make sense

Why can't a distance/time graph be used to find an object's velocity?

Answers

Answer:

for velocity we have to use displacement &distance is for speed

how many electrons does a neutral atom of the element iron (fe) have?

Answers

Answer:

26 electrons

A neutral iron atom contains 26 protons and 30 neutrons plus 26 electrons in four different shells around the nucleus. As with other transition metals, a variable number of electrons from iron's two outermost shells are available to combine with other elements

Explanation:

hope this helps have a good rest of your night :) ❤

When water waves meet, they can combine to form new waves. In constructive waves, a ________ amplitude wave is formed. In destructive waves, a wave with a __________ amplitude is formed. A) greater, smaller B) smaller, greater C) smaller, smaller D) greater, greater

Answers

Answer:

In constructive waves, a greater amplitude wave is formed. In destructive waves, a wave with a smaller amplitude is formed. (option A)

Explanation:

Interference is called the superposition or sum of two or more waves. Depending mainly on the wavelengths, amplitudes and the relative distance between them, there are two types of interference: constructive or destructive.

Constructive interference occurs when there are two waves of identical or similar frequency (both have motions equal to an even number of similar wavelengths) and overlap the peak of one with the peak of the other. These effects add together and make a wave of greater amplitude. All of this is possible because the waves were in the same phase in the beginning (in the same position).

Destructive interference occurs in the opposite case to constructive. When the crest of one wave overlaps the valley of the other, they cancel out since they are in different phases when they overlap (they were in different positions). That is, as in the case of constructive waves they were added, in the case of destructive waves they cancel out (subtract).

So, In constructive waves, a greater amplitude wave is formed. In destructive waves, a wave with a smaller amplitude is formed.

If you pour hot soup into a bowl, and the bowl stays cool to the touch, you can assume that...

Answers

Answer:

The soup still is cool, or since its recent it will take a while to get warmer

Explanation:

A plate has an area of 1m square. It slide down an incline plane , having an angle of inclined 60° to horizontal, which a velocity of 0.75m/s. The thickness of oil film between the plate and the plate is 2mm. Find the viscosity of the fluid if the weight of the plate is 90N

Answers

Answer:

[tex]\mu =0.169704 Ns/m^2[/tex]

Explanation:

From the question we are told that

Area of plate[tex]a=1m^2[/tex]

Angle of inclination [tex]\theta=60 \textdegree[/tex]

Velocity [tex]v=0.75m/s[/tex]

Thickness of oil [tex]t=2mm[/tex]

Weight of plate [tex]w=90N[/tex]

Generally the equation for shear force is mathematically given by

[tex]F=mgsin45 \textdegree[/tex]

[tex]F=90sin45 \textdegree[/tex]

[tex]F=63.639N[/tex]

[tex]F=\mu* \frac{v}{t}[/tex]

[tex]F=\mu* \frac{0.75}{2*10^-^3}[/tex]

[tex]\mu* \frac{0.75}{2*10^-^3}=63.639N[/tex]

[tex]\mu =\frac{63.639}{375}[/tex]

Therefore viscosity is given by

[tex]\mu =0.169704 Ns/m^2[/tex]

20. The triple-point of water occurs at 273.16 K (0.01 °C) and a vapor pressure of 0.0060373 atm). At this point water can be ______________. solid B. Liquid C. Gas D. All of the above E. None of the above

Answers

Answer:

E i think.

Explanation:

The triple-point of water occurs at 273.16 K (0.01 °C) and a vapor pressure of 0.0060373 atm. At this point water can be solid, liquid and gas. So, option (D) is correct.

What is phase diagram?

phase diagram: a graph that displays the limiting conditions for a substance's solid, liquid, and gaseous phases under changes in pressure, temperature, or another combination of variables, such as solubility and temperature.

The curves in the figure were derived from measurements taken at various pressures and temperatures, and they represent a typical phase diagram for a one-component system (i.e., one made up of a single pure chemical).

What is triple-point?

The combination of temperature and pressure at which a substance can exist in all three of its states—gas, liquid, and solid—is known as the triple point.

The Kelvin(K), the International System of Units' (SI) fundamental unit of thermodynamic temperature, is defined using the triple point of water. The triple-point of water occurs at 273.16 K (0.01 °C) and a vapor pressure of 0.0060373 atm.

Learn more about triple point here:

https://brainly.com/question/2402164

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