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AVERAGE SPEED IS THAT SPEED WITH WHICH OBJECT COVERS SAME DISTANCE AS IT DOES WITH VARIABLE SPEED DURING GIVEN TIME. PLEASE EXPLAIN THIS BRIEFLY. THKS RGDS.

AVERAGE SPEED IS THAT SPEED WITH WHICH OBJECT COVERS SAME DISTANCE AS IT DOES WITH VARIABLE SPEED DURING GIVEN TIME.


PLEASE EXPLAIN THIS BRIEFLY.


THKS


RGDS.

Grade:11

1 Answers

Ramesh V
70 Points
11 years ago

When we travel in a vehicle the speed of the vehicle changes from time to time depending upon the conditions existing on the road. In such a situation, the speed is calculated by taking the ratio of the total distance travelled by the vehicle to the total time taken for the journey. This is called the average speed.

If an object covers a distance S1 in time t1, distance S2 in time t2 and distance Sn in time tn then the average speed is given by,

Average Speed and Instantaneous Speed

When we say that the car travels at an average speed of 60 km/h it does not mean that the car would be moving with the speed of 60 km/h throughout the journey. The actual speed of the car may be less than or greater than the average speed at a particular instant of time.

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regards

Ramesh

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