Question

Speed of a car is 54 km/hr.convert it into m/sec

Answer 1

Answer:

54km/hr

=54*5/18 ( 1000/60*60=5/18)

=3*5

=15m/s

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Answer 2

we need to multiply the speed with 5/18 to convert it into m/sec

therefore

speed in m/sec =54*5/18

=3*5

=15

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