A.) Calculate the magnitude of the force required to give a 0.135 -kg baseball a

Question

A.) Calculate the magnitude of the force required to give a 0.135 -kg baseball an acceleration 1.10 m/s2 in the direction of the baseball's initial velocity when this velocity has a magnitude of 12.0 m/s

B.) Calculate the magnitude of the force required to give a 0.135 -kg baseball an acceleration 1.10 m/s2 in the direction of the baseball's initial velocity when this velocity has a magnitude of 0.900c.

C.) Calculate the magnitude of the force required to give a 0.135 -kg baseball an acceleration 1.10 m/s2 in the direction of the baseball's initial velocity when this velocity has a magnitude of 0.990c.

Explanation / Answer

For all the three cases, let F be required force.

By Newton's Second law

F=ma

here the F does not depend on the object's initial velocity.

F = 0.135*1.1

F=0.1485N

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