Question

what is instantaneous velocity and instantaneous speed? are they both the same ?

Answer 1

Instantaneous speed is the magnitude of instantaneous velocity. Instantaneous velocity is a vector. Instantaneous speed is the magnitude of instantaneous velocity. It has the same value but is not a vector so it has no direction.

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Answer 2

Answer:

Instantaneous velocity is defined as the rate of change of position for a time interval which is very small (almost zero). Measured using SI unit m/s. Instantaneous Speed is the magnitude of the Instantaneous velocity. It has the same value as that of instantaneous velocity but does not have any direction.

Instantaneous velocity is a vector. Instantaneous speed is the magnitude of instantaneous velocity. It has the same value but is not a vector so it has no direction.