a car is travelling at an average speed of 60 km per hour how much distance will it travel in 20 second
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speed of car = 60km/60min
= 1km/1min
=1km/60sec
= 0.01667 km/sec
to find the distance travelled in 20 sec, we have to multiply by 20 sec.
= 0.01667 x 20 = 0.333 km
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