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A ship starts from a port at 12 noon and...

A ship starts from a port at 12 noon and travels due east with a speed of 9 khots/hour. One hour later another starts due south with a speed of 12 knots/hour. Then the rate at which the distance between ships is increasing at 2 pm., is

A

`(3sqrt(117))/(306)` knots/hour

B

`(sqrt(117))/(153)` knots/hour

C

`(306)/(sqrt(117))` knots/hour

D

`(153)/(sqrt(117))` knots/hour

Text Solution

Verified by Experts

The correct Answer is:
D
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