Question

3. A car is moving at a speed of 15 ms-1. In how
much time it will cover a distance of 1.2 km?
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Answer 1

Answer:

15 m/s. In how much time will it cover a distance of 1.2 km?

As we know that

Speed= distance/time

Or time = distance/speed

According to your question

Speed=15m/s

and. Distance=1.2km. ,we must change kilometer in meter because given speed is in m/s

D= 1.2km = 1.2×1000m =1200meter

Time = distance/ speed

1200/15 =80second

Or. 1min and 20 sec will be your answer.

Answer 2

speed= distance/time

15m/s= 1.2km/?

time= dustance/speed

distance=1.2km=1.2 x 1000= 1200 metres

speed=15m/s

time=1200/15= 80 seconds

Answer= It will cover 1.2km in 80 seconds.

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