A river flows due south with a speed of 2.0 m/s. A man steers a motorboat across the river; his velocity relative to the water is 4 m/s due east. The river is 800 m wide. How far south of his starting point will be reach the bank?

400 m

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800 m

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200 m

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500 m

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Solution

The correct option is A
400 m

In the previous question, we found the time taken to be 200 s, in the same time he would have traversed

$v_{y} \times t_{m}$

$∴ y = v_{y} \times t$

= $2 \times 200$

= 400m

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Similar questions

A river flows due south with a speed of 2.0 m/s. A man steers a motorboat across the river; his velocity relative to the water is 4 m/s due east. The river is 800 m wide. How far south of his starting point will be reach the bank?

A river flows due south with a speed of 2.0 m/s. A man steers a motorboat across the river; his velocity relative to the water is 4 m/s due east. The river is 800 m wide. How much time is required to cross the river?

Q. A river flows due south with a speed of

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800

m wide.
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c. How far south of his starting point will he reach the opposite bank?

A river flows due south with a speed of 2.0 m/s. A man steers a motorboat across the river; his velocity relative to the water is 4 m/s due east. The river is 800 m wide. What is his velocity relative to the earth? Assume North as positive y-direction.

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k m h^{- 1}

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A river flows due south with a speed of 2.0 m/s. A man steers a motorboat across the river; his velocity relative to the water is 4 m/s due east. The river is 800 m wide. How far south of his starting point will be reach the bank?

The correct option is A 400 m In the previous question, we found the time taken to be 200 s, in the same time he would have traversed vy×tm ∴y=vy×t = 2×200 = 400m

The correct option is A
400 m

In the previous question, we found the time taken to be 200 s, in the same time he would have traversed

$v_{y} \times t_{m}$

$∴ y = v_{y} \times t$

= $2 \times 200$

= 400m