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Twp boats are moving along perpendicular...

Twp boats are moving along perpendicular paths on a still take at right. One boat moves with a speed of `3 ms^(-1)` and the other boat moves with a speed of `4 ms^(-1)` in the directions such that they collide after some time. At t=0, the boats are 300 m apart. Two boats will collide after time ______.

A

60 s

B

30 s

C

120 s

D

Data is insufficiant

Text Solution

Verified by Experts

The correct Answer is:
A
`V_(B.A) = 5m//s`

`t = (300)/(5) = 60 s`
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