13. A car initially at rest, picks up a velocity
72 kmh in 1/4 minute
(A) final velocity of the car is 30 ms
(B) final velocity of the car is 20 ms
(C)final velocity of the car is 10 ms
(D)final velocity of the car is 50 ms
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Explanation:
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). Velocity is a fundamental concept in kinematics, the branch of classical mechanics that describes the motion of bodies.
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