Question

A ball is thrown vertically with velocity of 125 m/s. How high does it go?

Answer 1

let the above direction is positive.

The ball is thrown with initial velocity u=125m/s

Acceleration of the ball = -9.8m/s²

At highest point , the velocity of the ball =0

The formula ///

v²=u²+2as

0²=125²+ 2(-9.8)H

125²=19.6H

H=15625/19.6

H=797.2m

So the ball goes 797.2 m high.

Answer 2

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