Convert a speed of 72km/h into (a)ms -1 (b)cms -1
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72 km/h
a)
= 72×(1000/3600)
= 20 m/s
b)
=20 m/s
=20×(100 cm)/(1 sec)
=2000 cm/sec
a)
= 72×(1000/3600)
= 20 m/s
b)
=20 m/s
=20×(100 cm)/(1 sec)
=2000 cm/sec
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