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Question

A car covers a distance of 160 km in 2 h, and another 80 km in the next 1 h. Calculate the car's average speed in m s1.
  1. 22.22

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Solution

The correct option is A 22.22
Total distance covered by the car =160+80=240 km
Total time taken =2+1=3 h

Average speed

=Distance coveredTime taken=2403

=80 kmph

Converting to m s1,
80 kmph=80×518
=22.22 m s1

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