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A boat moves perpendicular to the bank w...

A boat moves perpendicular to the bank with a velocity of 7.2 km/h. The current carries it 150 m downstream, find the velocity of the current. (The width of the river is 0.5 km).

A

4.16 min

B

2.15 min

C

3.11 min

D

5.11 min

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The correct Answer is:
A
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A boat moves perpendicular to the bank with a velocity of 7.2 km ph. The current carries it 150 m downstream. Find the velocity of current and the time required to cross the river.width of the river is 0.5 km.

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