Sara throws a baseball to Janice. The baseball has a mass of 0.142kg. It is 1.1m above the ground, moving at 15m/s when sara lets go of it. Ignore the effects of air resistance. The baseball is moving horizontally at 13m/s when it reaches maximum height.Calculate the maximum height reached by the baseball.

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Asked Oct 6, 2019
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Sara throws a baseball to Janice. The baseball has a mass of 0.142kg. It is 1.1m above the ground, moving at 15m/s when sara lets go of it. Ignore the effects of air resistance. The baseball is moving horizontally at 13m/s when it reaches maximum height.

Calculate the maximum height reached by the baseball.

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Expert Answer

Step 1

Given value:

Mass of the baseball, m = 0.142 kg

Height of the baseball above the ground, h = 1.1 m

Initial velocity, u = 15 m/s

Final velocity, v = 13 m/s

Acceleration due to gravity = -g

Let the maximum height reached by the baseball be H

Step 2

Writing the third equa...

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Plugging in the given values: (13) (15)-2x9.8xH 169 225-19.6H -5619.6H H 2.857 m

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