Problem 4.09 A 0.140-kg baseball traveling 32.0 m/s strikes the catcher\'s mitt,

ID: 1469781 • Letter: P

Question

Problem 4.09

A 0.140-kg baseball traveling 32.0 m/s strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 14.0 cm .

Part A

What was the average force applied by the ball on the glove?

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Problem 4.09

A 0.140-kg baseball traveling 32.0 m/s strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 14.0 cm .

Part A

What was the average force applied by the ball on the glove?

SubmitHintsMy AnswersGive UpReview Part

Favg = N

work done by the ball on the glove is W = change in KE

W =Kf-Ki

but W = F*S*cos(theta) = -F*S

Kf is the final Kinetic energy = o J

Ki is the initial KE = 0.5*m*u^2

then W = 0-0.5*m*u^2

-F*S = -0.5*m*u^2

F = 0.5*m*u^2/S = (0.5*0.14*32*32)/(0.14) = 512 N

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