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April 19, 2014

Homework Help: ap phyiscs

Posted by kristen on Sunday, February 10, 2008 at 8:57pm.

A bowler throws a bowling ball of radius R=11 cm down a lane. The ball slides on the lane, with initial speed v(of the center of mass)=7 m/s and initial angular speed =0. The coefficient of kinetic friction between the ball and the lane is .25. The kinectic frictional force fk acting on the ball causes a linear acceleration of the ball while producing a torque that causes an angular acceleration of the ball. Whenn speed v(of the center of mass) has decreased enough and angular speed has increased wnough, the ball stops sliding and then rolls smoothly.

What then is v in terms of angular speed?

During the sliding what is the balls linear acceleration?

During the sliding what is the balls angular acceleration/

How long does the ball slide?

How far does the ball slide?

What is the speed of the ball when smooth rolling begins?

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