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A person, standing on the roof of a 40 m...

A person, standing on the roof of a 40 m high tower, throws a ball vertically upwards with speed 10 m/s. Two seconds later, he throws another ball again in vertical direction (use `g=10(m)/(s^2)`). Both the balls hit the ground simultaneously.

A

The first stone hits the ground after `4` seconds.

B

The second ball was projected vertically downwards with speed `5 m//s`.

C

The distance travelled by the first ball is `10 m` greater than the distance travelled by the second ball.

D

Both ball hit the ground with same velocities.

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
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