Question

What is speed? What is SI unit of speed? When is it said to be uniform or non

Answer 1

#Speed is defined as the distance travelled by a body per unit time.

# Its unit in SI is metre per second

Answer 2

Explanation:

Speed can be thought of as the rate at which an object covers distance. ... Speed has the dimensions of distance divided by time. The SI unit of speed is km/hr.

Uniform speed of an object in same direction is called uniform velocity. Non-Uniform velocity: Velocity of an object is changed in following two conditions. When direction is changed.

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