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Two balloons are moving in air with velo...

Two balloons are moving in air with velocities `v_(1)={2thati+(t-2)hatj)m//s` and `v_(2)={(t-4)hati+thatj}m//s` then at what `t` balloons are moving parallel to each other:

A

`5//4s`

B

`4//5s`

C

`10//3s`

D

`-3+-sqrt(17)s`

Text Solution

Verified by Experts

The correct Answer is:
C
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