Question

D Define speed and give its
formula​

Answer 1

Answer:

The equation for speed is simple like distance divided by time. You take the distance travelled (for example 3 meters) and divide it by the time (three seconds) to get the speed (one meter per second) So, we can define Speed as the rate of change of position of an object in any direction.

Answer 2

Speed : Distance travelled by per unit time.

Its formula is Speed = Distance travelled ÷ Time taken.

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More to know :

• Speed is a scalar quantity.

• SI unit of speed is metres per second (m/s)

• Speedometer shows the speed.

• In the case of higher values, we use the unit kilometres per hour (km/h).

★ Average Speed :

The average speed of a body is the total distance travelled divided by the total time taken to cover this distance.

• Average speed = Total distance travelled ÷ Total time taken

★ Uniform Speed :

A body has a uniform speed if it travels equal distance in equal interval of time.