GK
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the options below is an example of velocity?
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20 m/s
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200 km/h
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20 m/s East
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20 East
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Explanation:
Detailed explanation-1: -Velocity, like speed, has SI units of meters per second (m/s), but because it is a vector, you must also include a direction.
Detailed explanation-2: -Velocity is a vector quantity–when giving the velocity we must specify the magnitude (the speed) and the direction of travel. For example you might drive 100km/hr (the speed) in a northerly direction.
Detailed explanation-3: -Earth’s rotation around the Sun, Moon’s orbital motion around the Earth. The vehicle’s speed. How quickly the train is moving. The river is moving at a fluctuating speed. The rate at which water leaves a faucet. The speed at which a bat strikes a ball.
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