Question

Q1. Define Speed. Name the device installed in automobiles which indicates speed.​

Answer 1

Answer:

speedometer is installed in automobiles which indicates speed

definition of speed = 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. ... Lower speed means it is moving slower. If it isn't moving at all, it has zero speed.

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Answer 2

speed:the distance covered by a body in per unit time is called its speed.

speedometer is the device used in automobiles to calculate the speed.