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A packet is dropped from a balloon that ...

A packet is dropped from a balloon that is moving upward when the balloon is at a height 60 m above ground. If the speed of the balloon at the moment of release of packet is 5 m/s, time taken by the packet to reach ground will be: (Take `g = 10 m//s^(2)`)

A

6 sec

B

4 sec

C

2 sec

D

3.2 sec

Text Solution

Verified by Experts

The correct Answer is:
B
`-60 = 5t - (1)/(2) xx 10 xx t^(2)`
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