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.
velocity is expressed in metres per second, acceleration will be expressed in metres per second per second.
acceleration, rate at which velocity changes with time, in terms of both speed and direction. A point or an object moving in a straight line is accelerated if it speeds up or slows down.
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Answer:
Velocity:
It is rate of change of displacement over time.
Formula: Displacement / Time
Acceleration:
It is rate of change of velocity over time.
Formula: Change in Velocity / Time
Speed:
It is the the distance travelled by a body over time.
Formula: Distance / Time
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