« 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 157 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?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Everyone has one nostril that is larger than the other.

Multiple-dose drug administration. Drug A and drug B are administered every 12 hours. Drug B reaches ... Multiple-dose drug administration. Drug A and drug B are administered every 12 hours. Drug B reaches ...
Find the speed after 40.0 min if the initial speed is 3250 rev/min Find the speed after 40.0 min if the initial speed is 3250 rev/min
How to solve a distance, time, speed problem using linear algebra How to solve a distance, time, speed problem using linear algebra
Warming friction using the knuckles. The first two knuckles move back and forth on the skin to ... Warming friction using the knuckles. The first two knuckles move back and forth on the skin to ...
Circular friction to the broad iliotibial band. The heel of the hand is used to create friction ... Circular friction to the broad iliotibial band. The heel of the hand is used to create friction ...
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 ...
Video: Contraction and Relaxation Animation

For a complete list of videos, visit our video library