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Author Question: A professional skier reaches a speed of 39.6 m/s on a 30 ski slope. Ignoring friction, what was the ... (Read 174 times)

jjjetplane

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  • Posts: 556
on: Jul 28, 2018
A professional skier reaches a speed of 39.6 m/s on a 30 ski slope. Ignoring friction, what was the minimum distance along the slope the skier would have had to travel, starting from rest?
 a. 110 m
  c. 320 m
  b. 160 m
  d. 640 m

Question 2

A 2.0-mol ideal gas system is maintained at a constant volume of 4.0 L. If 200 J of heat is added, what is the work done on the system?
 a. zero
  c. 6.7 J
  b. 5.0 J
  d. 20 J


bdobbins

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

A


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