Question

define speed. Write SI unit of speed
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Answer 1

Answer:

Speed is simply defined as the rate at which an object covers a given distance in a particular period of time. Mathematically, it is represented as speed (s) = distance (d)/time (t) . It is a scalar quantity.

say, for example, if an object travelled 100 meters in 10 seconds then its speed would be

s = 100/10 = 10 m/s

S.I unit of speed is  metre per second .

Explanation:

Answer 2

Answer:

Speed is the distance traveled per unit of time. It is how fast an object is moving. Speed is the scalar quantity that is the magnitude of the velocity vector. It doesn't have a direction. Higher speed means an object is moving faster..

SI unit of Speed is metre per second...

Hope it helps.....