Question

a ball is thrown from a velocity 36km/hr in a vertically upwards direction the height of a tower is 60m. when does the ball reaches the ground.
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Answer 1

Answer:

Given

Initial velocity=36km/h = 36x5/18 = 10m/s

Distance = 60m

Time of journey = 2u/g

2 x 10/10

2 seconds

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