Question

Distinguish between speed and velocity ​

Answer 1

Speed is how fast an object is moving. It is calculated by the displacement of space per a unit of time. Velocity is the rate at which an object changes position in a certain direction. It is calculated by the displacement of space per a unit of time in a certain direction. Velocity deals with direction, while speed does not.

Answer 2

Speed:-

It is defined as the distance travelled in given time interval.

Speed is a scalar quantity

Si unit :- m/s²

S = d/t

Velocity:-

It is defined as the displacement travelled by a body in given time interval.

Velocity is a vector quantity

Si unit :- m/s²

v = s/t

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