Question

Speed is the rate of change of position expressed as _____ traveled per unit of time. A. direction B. displacement C. distance D. meter

Answer 1

Speed is the rate of change of position expressed as distance travelled per unit of time .

Answer 2

Speed is the rate of change of position expressed as distance traveled per unit of time.

Option (C).

Explanation:

• Speed is the measure of how fast or slow an object is moving.

• It is a scalar quantity it has only magnitude and no direction.

• Speed is defined as the ratio of distance travelled by an object to the total time taken by the object.

• It is measured in meter per sec or Kilometer per hour. It is shown by a speedometer in a vehicle.

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