Question

define speed ,average speed

Answer 1

Speed is the distance that an object moves in a given amount of time. Speed is a measure of how fast something is moving. The average speed of an object in a certain time is the distance the object travelled divided by the time.

Answer 2

Speed :

It is the Total distance covered by an object in per unit time.

Its S.I unit is metre per second.

it is a scalar quantity.

Average speed :

It Total distance covered by an object in the total time.

Its S.I unit is same as that of speed.