First slide
Vertical projection from ground
Question

A truck is moving with a velocity of 10 m/s. A person on the truck, projects a ball vertically upward with a velocity of 10 m/s. When the person catches the ball again, the truck covers a distance g=10  m/s2

Easy
Solution

(4)

T = Time of flight of the ball = 2  ×1010  sec=2  sec.

   Distance covered by the truck in 2 sec = 10 x 2 m = 20 m.

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