Question

a ball is dropped from top of tower.If takes 5 seconds to reach the gound.Find height of the ground and the velocity which it hits the ground​

Answer 1

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Answer in attachment:

SOME RELATED TERMS FROM ATTACHMENT:

1.)$\large\red{\boxed{TIME\: OF\: DESCENT}}$

The time taken by a object to come to ground when released from a height is called tome of descent.

POINTS TO REMEMBER:

v=$\sqrt{2gh}$

t =$\sqrt{2h/g}$

where v is the velocity at ground.

and t is the time of descent.