As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air at a speed of 22.0 m/s. In the process, he moves his hand through a distance of 1.60 m. If the ball has a mass of 0.150 kg, find the force he exerts on the ball to give it this upward speed.

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Asked Nov 3, 2019
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As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air at a speed of 22.0 m/s. In the process, he moves his hand through a distance of 1.60 m. If the ball has a mass of 0.150 kg, find the force he exerts on the ball to give it this upward speed.

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Expert Answer

Step 1

Given,

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Ball initially at rest, 0 v =22 m/sec s 1.60 m m 0.150 Kg

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Step 2

By using Kinematic equation,

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2-u2as

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Step 3

By substituting the ...

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v2u2as (22)0+2a(1.6) a 151.25 m/sec

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