SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A ball rolls down a steep hill. It travels 500 m in 1 minute. It then rolls on a flat surface for an additional 3 minutes and travels 300 m. What is the average speed of the ball?
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.5 m/min
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100 m/min
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200 m/sec
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200 m/min
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Explanation:
Detailed explanation-1: -Average speed = distance travelled / time taken. You shouldn’t need any formula, just use common sense. It goes 20m in half a sec.
Detailed explanation-2: -The reason is simple. Speed is the time rate at which an object is moving along a path, while velocity is the rate and direction of an object’s movement. Put another way, speed is a scalar value, while velocity is a vector.
There is 1 question to complete.