Which one of the following has maximum and the least average speed ? a) Sanjeev moving with 12 km per hour b) Rajiv running with 5 m per second
c) Kabir moving with 150 m per minute
Answers
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Rajiv is running fast with 5 m per second .
Answered by
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B)Rajeev is running fast with speed 5m/ s
because
sanjeev moving = 12 km/ h
rajiv moving = 5m/s = 5×18/5 = 18km /h
kabir moving = 150 m/minute = 150/60 = 2.5 m /s = 2.5×18/ 5 = 9 km/h
there 18/ 5 is a formula number to change m/s in km/h
because
sanjeev moving = 12 km/ h
rajiv moving = 5m/s = 5×18/5 = 18km /h
kabir moving = 150 m/minute = 150/60 = 2.5 m /s = 2.5×18/ 5 = 9 km/h
there 18/ 5 is a formula number to change m/s in km/h
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