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8. Motion
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Q5 of 53 Page 228

Does the motion of second’s hand of a watch represent uniform velocity or uniform speed?

The motion of second’s hand represent uniform speed because as it is moving in a circular motion, its direction is changing at every point and hence uniform velocity will not be the case.


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The velocity of a body increases by 10 m/s in every one second. What physical quantity does the body represent and what is its magnitude?

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Area under the velocity-time graph line is 40 m. What physical quantity does this area represent?

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Questions · 53
8. Motion
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