Question

A body is thrown up in a lift with a velociiu U
relative to the liſt and the time of flight is found te
te 't. The acceleration with which the lift is moving
in will ho​

Answer 1

Answer:

Answer

Let the acceleration of the lift be a in upward direction.

Acceleration of the body w.r.t ground =g (downward)

Thus Acceleration of the body w.r.t lift a

b

=g+a

In the lift frame : S=ut+

2

1

a

b

t

2

where t is the time of flight

∴ 0=ut−

2

(g+a)t

2

⟹a=

t

2u−tg

Explanation:

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