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Author Question: 200 J of work is done in compressing a gas adiabatically. What is the change in internal energy of ... (Read 26 times)

burton19126

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on: Jul 29, 2018
200 J of work is done in compressing a gas adiabatically. What is the change in internal energy of the gas?
 
  A)
 
  zero
  B)
 
  100 J
  C)
 
  150 J
  D)
 
  200 J
  E)
 
  There is not enough information to determine.

Question 2

A car has a mass of 930 kg has wheels with a radius of 35 cm, and the distance between the axles is 3.1 m. The coefficient of static friction between the tires and the road is 0.52.
 
  It is equipped with anti-lock brakes so that the tires do not slide when it is braking. If the weight of the car is supported equally by the four tires, what is the total torque on the tires exerted by the forces between the tires and the horizontal road when there is maximum braking, i.e. when the tires are about to slip? A)
 
  1.2  102 N m
  B)
 
  1.7  103 N m
  C)
 
  1.2  104 N m
  D)
 
  1.6  102 N m
  E)
 
  1.4  104 N m


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fdliggud

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Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

B


burton19126

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

kalskdjl1212

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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