A swimmer can swim in still water with a speed of 3 km-hr- Rate of flow of river is 6 km-hr- If the swimmer swims at an angle 60- with the flow of the river- find the speed of the swimmer as seen by person- who is moving in a boat in the river-

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Question

A swimmer can swim in still water with a speed of $3 km/hr$ . Rate of flow of river is $6 km/hr$ . If the swimmer swims at an angle $60^{\circ}$ with the flow of the river, find the speed of the swimmer as seen by person, who is moving in a boat in the river.

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Solution

Swimmer speed as seen by person, who is moving in a boat in the river is same as speed in still water.

Hence, option $(B)$ is the correct answer.

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A swimmer can swim in still water with a speed of 3 km/hr. Rate of flow of river is 6 km/hr. If the swimmer swims at an angle 60∘ with the flow of the river, find the speed of the swimmer as seen by person, who is moving in a boat in the river.

Swimmer speed as seen by person, who is moving in a boat in the river is same as speed in still water. Hence, option (B) is the correct answer.

A swimmer can swim in still water with a speed of $3 km/hr$ . Rate of flow of river is $6 km/hr$ . If the swimmer swims at an angle $60^{\circ}$ with the flow of the river, find the speed of the swimmer as seen by person, who is moving in a boat in the river.

Swimmer speed as seen by person, who is moving in a boat in the river is same as speed in still water.

Hence, option $(B)$ is the correct answer.