Question

A car moving with a uniform speed of 50 km / h travels a distance of 20 km. Calculate the time taken by the car to cover this distance in seconds.

Answer 1

Answer:

To complete 1km distance with speed =50kmhr it tkes time t1=501s

To complete 1km distance with speed =40kmhr it tkes time t1=401s

Average speed=(1/50)+(1/40)1+1=44.44m/s

Explanation:

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