A bat strikes a 0.145-kg baseball. Just before impact, the ball is traveling hor

Question

A bat strikes a 0.145-kg baseball. Just before impact, the ball is traveling horizontally to the right at 60.0 m/s, and it leaves the bat traveling to the left at an angle of 40 degree above horizontal with a speed of 55.0 m/s. The ball and bat are in contact for 1.65 ms. Find the horizontal component of the average force on the ball. Take the x-direction to be positive to the right Express your answer using two significant figures. Find the vertical component of the average force on the ball. Express your answer using two significant figures.

Explanation / Answer

part A)

m =0.145 Kg

u = 60 m/s

for the horizontal average force

horizontal average force = m * (v* cos(theta) + u)/t

horizontal average force = 0.145 * (55 * cos(40 degree) + 60)/.00165

horizontal average force = 8975 N

b)

for the vertical force

vertical component of force = m * v * sin(theta)/t

vertical component of force = 0.145 * 55* sin(theta)/.00165

vertical component of force = 3106 N

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