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Define velocity. State its unit.AVelocity is defined as the rate of change of distance of a body with respect to time. Its unit in SI is km/s.BVelocity is defined as the rate of change of displacement of a body with respect to time. Its unit in SI is km/s.CVelocity is defined as the rate of change of distance of a body with respect to time. Its unit in SI is m/s.DVelocity is defined as the rate of change of displacement of a body with respect to time. Its unit in SI is m/s.

aman p , 4 Years ago
Grade 12
anser 2 Answers
Vikas TU

Last Activity: 4 Years ago

Dear student 
The velocity of an object is usually defined as the rate of displacement that a particle or an object undergoes within a span of time. Velocity is stated to be a physical vector quantity meaning both direction and magnitude have to be taken into consideration in order to define it.The SI unit of velocity is meter per second (m/s).

ankit singh

Last Activity: 4 Years ago

The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. Velocity is equivalent to a specification of an object's speed and direction of motion (e.g. 60 km/h to the north).

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