Question

A ball is thrown vertically upwards with a velocity of 30 m s–1

from the top of a multi-

storied building. The height of the point from where the ball is thrown is 40 m from the

ground.

(a) How high will the ball rise ? and

(b) how long will it be before the ball hits the ground? (Take g = 10 m s–2.

)​

Answer 1

Answer:

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