question number is 7 please sir
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divide it by 1000/60 to get m/m which is equal to 1000 m per minute
then divide 60 by 5/18 to get m/s
then divide 60 by 5/18 to get m/s
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1 km = 1000 m
1 hour = 3600 sec
60 km/ hour = 60 *1000 m /3600 sec
= 50 m/3 sec
= 16.67m/sec
ashishdsp72:
hope it helps
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