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An object is dropped is an unknown plane...

An object is dropped is an unknown planet from height 50 m, it reaches the ground is 2 s. The acceleration due to gravity in this unknwon planet is

A

`g=20ms^(-2)`

B

`g=25ms^(-2)`

C

`g=15ms^(-2)`

D

`g=30ms^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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