Homework Help: Physics

Posted by Marcus on Sunday, November 14, 2010 at 8:39am.

A 67.0 kg base runner begins his slide into second base when moving at a speed of 3.5 m/s. The coefficient of friction between his clothes and Earth is 0.70. He slides so that his speed is zero just as he reaches the base.

How much mechanical energy is lost due to friction acting on the runner?

How far does he slide?

Physics - drwls, Sunday, November 14, 2010 at 9:52am
(a) All of his (or her) initial kinetic energy is lost.

(b) Initial KE = (1/2) M V^2 = work done against friction = (M*g*Uk*X)
Uk = 0.7 is the coefficient of friction

Solve for X

X = V^2/(2*g*Uk)

Answer this Question

Related Questions

physics - A 66.0 kg base runner begins his slide into second base when he is ...
Physics - A 85.0 kg base runner begins his slide into second base when he is ...
Physics HELP! - A 85.0 kg base runner begins his slide into second base when he ...
Physics HELP! - A 85.0 kg base runner begins his slide into second base when he ...
Physics- PLEASE HELP - A 85.0 kg base runner begins his slide into second base ...
Physics URGENT!!! - A 85.0 kg base runner begins his slide into second base when...
Physics- Elena please help! - A 85.0 kg base runner begins his slide into second...
physcis - A 100.0 kg base runner begins his slide into second base when he is ...
Physics - A 70.0 kg base runner begins his slide into second base while moving ...
physics - A 62.0-kg baseball player begins sliding 3.40 m from third base w/ ...

For Further Reading

First Name:
School Subject:
Answer: