« previous next »

Author Question: A professional skier reaches a speed of 39.6 m/s on a 30 ski slope. Ignoring friction, what was the ... (Read 134 times)

jjjetplane

  • Hero Member
  • *****
  • 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

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

The north-facing slope at this site supports a Mediterranean woodland, while the vegetation on the s The north-facing slope at this site supports a Mediterranean woodland, while the vegetation on the s
Professional association conventions provide opportunities for networking with other massage ... Professional association conventions provide opportunities for networking with other massage ...
Apply deep circular friction with the fingertips to the erector muscles on the right side, moving ... Apply deep circular friction with the fingertips to the erector muscles on the right side, moving ...
Circular friction around the ankle with the fingertips. Applying pressure with the fingertips, move ... Circular friction around the ankle with the fingertips. Applying pressure with the fingertips, move ...
A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ... A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ...
Physics - Illustrate how you understand charging by rubbing or friction Physics - Illustrate how you understand charging by rubbing or friction
Video: Cardiac conductile cells

For a complete list of videos, visit our video library