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Rahul dropped...

Question

Rahul dropped a ball from $2^{n d}$ floor and at the same time Rohan throws a ball from $3^{r d}$ floor with 15 m/s. Calculate the difference in time between the collision of the two balls with the ground.

A

1 s

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B

2 s

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C

3 s

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D

4 s

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Solution

The correct option is A 1 s
.

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