This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Doug hits a hockey puck, giving it an initial velocity of 7.0 m/s. If the coefficient of kinetic ... (Read 122 times)

nevelica

  • Hero Member
  • *****
  • Posts: 563
on: Jul 28, 2018
Doug hits a hockey puck, giving it an initial velocity of 7.0 m/s. If the coefficient of kinetic friction between ice and puck is 0.050, how far will the puck slide before stopping?
 a. 19 m
  c. 37 m
  b. 25 m
  d. 50 m

Question 2

A horizontal force of 750 N is needed to overcome the force of static friction between a level floor and a 250-kg crate. What is the acceleration of the crate if the 750-N force is maintained after the crate begins to move and the coefficient of kinetic friction is 0.16?
 a. 1.8 m/s2
  c. 3.0 m/s2
  b. 1.4 m/s2
  d. 2.1 m/s2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

milbourne11

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

B


nevelica

  • Member
  • Posts: 563
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

connor417

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Cartoon of Uncle Sam teaching states in Puck Cartoon of Uncle Sam teaching states in Puck
Distance from Initial Change in Membrane Potential vs. Voltage Change Relative to Initial Change Distance from Initial Change in Membrane Potential vs. Voltage Change Relative to Initial Change
Potential energy Vs. Kinetic energy Potential energy Vs. Kinetic energy
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 ...
Barry Bonds hits a 125m (450') home run that lands in the stands at an altitude 30m above its ... Barry Bonds hits a 125m (450') home run that lands in the stands at an altitude 30m above its ...
Video: Stroke volume - preload, sarcomere length and Frank -Starling law

For a complete list of videos, visit our video library