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

Author Question: An automobile of mass 2000 kg moving at 20 m/s is braked suddenly with a constant braking force of ... (Read 91 times)

Starlight

  • Hero Member
  • *****
  • Posts: 567
on: Jul 28, 2018
An automobile of mass 2000 kg moving at 20 m/s is braked suddenly with a constant braking force of 10,000 N. How far does the car travel before stopping?
 a. 40 m
  c. 120 m
  b. 80 m
  d. 160 m

Question 2

A barefoot field-goal kicker imparts a speed of 30 m/s to a football at rest. If the football has a mass of 0.50 kg and time of contact with the football is 0.020 s, what is the force exerted on the foot?
 a. 190 N
  c. 600 N
  b. 380 N
  d. 750 N


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sarah_brady415

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

D


Starlight

  • Hero Member
  • *****
  • Posts: 567
Reply #2 on: Jul 28, 2018
Thank you!


sarah_brady415

  • Sr. Member
  • ****
  • Posts: 328
Reply #3 on: Jul 28, 2018
Always glad to help...


« previous next »
 

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Muscle Strength of the Hip, Abduction with Opposing Force Muscle Strength of the Hip, Abduction with Opposing Force
Average Hourly Earnings of U.S. Workers in Current and Constant Dollars Average Hourly Earnings of U.S. Workers in Current and Constant Dollars
The Coriolis Force The Coriolis Force
Apply circular fingertip friction on back, moving along spinal muscles from hip to shoulder and over ... Apply circular fingertip friction on back, moving along spinal muscles from hip to shoulder and over ...
Determined the magnitude of the magnetic force on the conductor. Determined the magnitude of the magnetic force on the conductor.
Gravitational Force Due to a Distribution of Mass Problem 1 Gravitational Force Due to a Distribution of Mass Problem 1
Video: Bulk flow - factors that influence bulk flow

For a complete list of videos, visit our video library