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A baseball player is 125 m away from home plate when he throws the ball at...

A baseball player is 125 m away from home plate when he throws the ball at a 30 degree angle above horizontal from a height of 1.75 m (the height of his hand) sketch coordinate system

a) what is the initial speed of the throw for the ball to land exactly on the home plate?

b) how long does it take for the ball to get to home plate?

c) what is the maximum height the ball is above the ground?

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Answer #1

a) The time taken by the object to cover the horizontal distance is cos The vertical distance covered by the object is 2cos cb) The time taken is 125 3.9s v0 cos θ 37cos 30 The maximum height is 2g 1.75+19.4m 2(9.8)

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