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A stone is dropped from the top of a 400...

A stone is dropped from the top of a `400 m` high tower. At the same time another stone is projected vertically upwards from the ground with a speed of `50 m//s`. The two stones will cross each other after a time

A

2 s

B

4 s

C

6 s

D

8 s

Text Solution

Verified by Experts

The correct Answer is:
D
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