Answers

2015-06-01T11:30:34+05:30
In one minute = 45/60 
=0.75km

In one second = 0.75/60
=0.0125km
2 4 2
2015-06-01T16:32:40+05:30
Velocity=45km/h
a)in 1 min
s=v*t
s = 45*1/60 = 45/60 = 0.75 =750 m
[1min=1/60 hr]
[1km = 1000m]
b)in 1 second
s=v*t
s=45*1/3600=45/3600=0.0125km=12.5m
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