Question

Define average speed​

Answer 1

Answer:

Average speed is defined as the total distance travelled by the time taken whereas average velocity is defined as the displacement by the time taken. Since speed is a scalar quantity, the average speed is also considered as a scalar quantity while velocity is a vector quantity.

Answer 2

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• Define average speed

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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

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The average speed of a body in a certain time interval is the distance covered by the body in that time interval divided by time. So if a particle covers a certain distance s in a time t1 to t2, then the average speed of the body is:

Vav =

$\frac{s}{t2 - t1}$

In general, average speed formula is:

Average Speed =

$\frac{total \: distance \: }{total \: time}$

It is a scalar quantity. Its unit is m/s.

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