Question

explain the following terms with examples a) speed b) Velocity c) Acceleration ​

Answer 1

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a) Speed is the rate of change of momentum with time..

b) Velocity of a body is the rate of change of position of a body with respect to its time..

c) Acceleration is the rate of change of velocity with time.

Answer 2

Explanation:

Speed is the velocity in any direction

It is a scalar quantity

Velocity refers to the distance travelled in unit time in a definite direction

It is a vector quantity

Acceleration in the change in speed per unit time. In uniform speed acceleration is 0 . However it is difficult to get uniform speed (due to opposing forces of friction).

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