When a ball is dropped|RECTILINEAR MOTION|JEE-Main 2022

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JEE MAIN 2022

27-06-2022 S2

Question

When a ball is dropped into a lake from a height 4.9 m above the water level, it hits the water with a velocity v and then sinks to the bottom with the constant velocity v. It reaches the bottom of the lake 4.0 s after it is dropped. The approximate depth of the lake is :

Select the correct option:

A

19.6 m

B

29.4 m

C

39.2 m

D

73.5 m

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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