A hoop of mass 3.00 kg and radius 1.00 m is moving at 3π rad/s across a horizontal surface. The coefficient of friction between the hoop and the surface is 0.65. Calculate how far the hoop will travel before it comes to rest

icon
Related questions
Question

A hoop of mass 3.00 kg and radius 1.00 m is moving at 3π rad/s across a horizontal surface. The coefficient of friction between the hoop and the surface is 0.65. Calculate how far the hoop will travel before it comes to rest.

Expert Solution
Step 1

total kinetic energy of hoop= 1/2 *m*v2 +1/2*I*ω2= 1/2 *m*v2 +1/2 *(mr2)ω2= 1/2 *m*v2 +1/2 *m*v2 = mv2----1

I= mr2(moment of inertia of ring)

r=1m

ω= 3π rad/sec

v=wr= 3π*1= 3π m/sec

total kinetic energy of hoop is =mv2=m 9π2----2

trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Similar questions