Question

Convert the speed in m/sec:
(a) 15 km/h
(b) 1000 m/3 minutes​

Answer 1

the formula to convert km/hr into m/s = 5/18

=15*5/18

75/18

=4.167m/s

and part b can be converted into km/hr

so

1min=60sec

3min=60*3=180sec

=1000/180*18/5

=20km/hr

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