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A river 500m wide is flowing at a rate o...

A river `500m` wide is flowing at a rate of `4 m//s.` A boat is sailing at a velocity of `10 m//s` with respect to the water, in a direction perpendicular to the river. The time taken by the boat to reach the opposite bank

A

`30s`

B

`40s`

C

`50s`

D

`60s`

Text Solution

Verified by Experts

The correct Answer is:
C

`y:` displacement =velocity`xx`time
`500=10t implies t=50 s`
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Knowledge Check

  • A boat crossing a river moves with a velocity v relative to still water. The river is flowing with a velocity v/2 with respect to the bank. The angle with respect to the flow direction with which the boat should move to minimize the drift is–

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    C
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    D
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