If a swimmer can swim at 3 m/s in still water and the current of the river is 1

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What’s inside this PDF?

Question: If a swimmer can swim at 3 m/s in still water and the current of the river is 1 m/s, what is the swimmer\'s speed relative to the bank when swimming upstream?

Options:

2 m/s
3 m/s
4 m/s
1 m/s

Correct Answer: 2 m/s

Solution:

The swimmer\'s speed relative to the bank when swimming upstream is 3 m/s - 1 m/s = 2 m/s.

If a swimmer can swim at 3 m/s in still water and the current of the river is 1

Practice Questions

If a swimmer can swim at 3 m/s in still water and the current of the river is 1 m/s, what is the swimmer's speed relative to the bank when swimming upstream?

2 m/s
3 m/s
4 m/s
1 m/s

Questions & Step-by-Step Solutions

If a swimmer can swim at 3 m/s in still water and the current of the river is 1 m/s, what is the swimmer's speed relative to the bank when swimming upstream?

Step 1: Understand that the swimmer's speed in still water is 3 m/s.
Step 2: Know that the river current is flowing at 1 m/s in the opposite direction (upstream).
Step 3: To find the swimmer's speed relative to the bank when swimming upstream, subtract the speed of the current from the swimmer's speed in still water.
Step 4: Perform the calculation: 3 m/s (swimmer's speed) - 1 m/s (current speed) = 2 m/s.
Step 5: Conclude that the swimmer's speed relative to the bank when swimming upstream is 2 m/s.

Relative Speed – Understanding how to calculate the speed of an object in a moving medium, taking into account both the object's speed and the speed of the medium (current).
Vector Addition – Applying vector addition principles to determine the resultant speed when two velocities are acting in opposite directions.

If a swimmer can swim at 3 m/s in still water and the current of the river is 1

What’s inside this PDF?

If a swimmer can swim at 3 m/s in still water and the current of the river is 1

Practice Questions

Questions & Step-by-Step Solutions

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