Asked by abc
A ball is projected horizontally from the top of a building 19.6m high.if the line joining the point of projection to the point where it hits the ground makes an angle of 45° to the horizontal what is the initial velocity of the ball
Answers
Answered by
Steve
You want the ball to land 19.6m from the wall.
So, how long does it take to fall 19.6m?
That would be 2 seconds.
So, what horizontal speed does it take to travel 19.6m in 2s?
So, how long does it take to fall 19.6m?
That would be 2 seconds.
So, what horizontal speed does it take to travel 19.6m in 2s?
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