A car travel 3km in 5min .calculate the speed. (a) cm/s(b) km /h.
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a) 3km = 300000 cm =d
5min= 300sec. = t
So, we know that Speed= d/t
300000/300 = 1000cm/s
b) 3km in 5 min so,
for 1 hr
5 × 12 = 60min
3 × 12 = 36km
So, Ans = 36km/h
5min= 300sec. = t
So, we know that Speed= d/t
300000/300 = 1000cm/s
b) 3km in 5 min so,
for 1 hr
5 × 12 = 60min
3 × 12 = 36km
So, Ans = 36km/h
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