Janta Express runs at a speed of 153 km per hour. What is its speed in:
(a) metres per minute?
(b) centimetres per seconds with image
Answers
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Answer:
Ans.a) 2550m/min
Ans.b) 255000cm/sec
Step-by-step explanation:
Ans.a)
1km = 1000m
153km = 153×1000m
= 153000m
1 hour = 60min
153000m/60min
= 2550m/min
Ans.b)
1km = 1000m (1m = 100cm)
1000m = 1000×100cm
= 100000cm
153km = 153×100000cm
= 15300000cm
15300000cm
1 hour = 60min (1min = 60sec)
60min = 60×60sec
= 3600sec
15300000cm/3600sec
4250cm/sec
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