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Question

If a body is travelling at a uniform speed; its speed at any time will be equal to average speed of the whole journey. True/False


  1. True

  2. False


Solution

The correct option is A

True


A body is travelling at a uniform speed when it travels equal distances in equal intervals of time.

For e.g. - A bus travels 10 km in an interval of 1 hr. It travels 10km in 2nd 1 hr interval. Then the speed of the bus in any of the interval will be same i.e. 10km/hr (Speed= Distance/Time)

Now, the average speed = Total distance coveredTotal time

Total distance covered in 2 intervals = 10 + 10 = 20km

Total time taken = 1 +1 = 2hrs

Average speed= 202= 10km/hr

We can clearly see that the speed of bus in either of the intervals (10km/hr) is equal to the average speed of the bus (10km/hr)

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