• Support PF! Buy your school textbooks, materials and every day products Here!

Momentum/Conservation of energy

  • Thread starter Danielle_6
  • Start date
  • #1

Homework Statement



Fred (mass 50.0 kg) is running with the football at a speed of 6.10 m/s when he is met head-on by Brutus (mass 130 kg), who is moving at 5.10 m/s. Brutus grabs Fred in a tight grip, and they fall to the ground. How far do they slide?The coefficient of kinetic friction between football uniforms and Astroturf is 0.330 .

Homework Equations





The Attempt at a Solution

 

Answers and Replies

  • #2
Danielle_6,

You got to try something before we can help you. At least a guess. What is the formula for kinetic energy? How does force relate to coefficient of kinetic friction? TRY!!
 

Related Threads on Momentum/Conservation of energy

Replies
2
Views
5K
Replies
8
Views
1K
Replies
1
Views
5K
  • Last Post
Replies
3
Views
977
  • Last Post
Replies
3
Views
326
  • Last Post
Replies
3
Views
1K
  • Last Post
Replies
2
Views
1K
  • Last Post
Replies
1
Views
590
  • Last Post
Replies
2
Views
1K
  • Last Post
Replies
4
Views
394
Top