A scooterists covers a distance of 3km in 5 min.Calculate his speed in:
1)cm/s
2)m/s
3)km/h
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Explanation: 1) Given,
d = 3 km = 300000 cm
t = 5 min = 300 s
v = d/t = 300000 cm/ 300 s = 1000 cm/s
2) Given,
d = 3 km = 3000 m
t = 5 min = 300 s
v = d/t = 3000 m/300 s = 10 m/s
3) Given,
d = 3 km
t = 5 min = 1/12 h
v = d/t = 3 km/ (1/12) h = 36 km/h
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