the radius of a wheel is 35cm and it takes 5 minutes to make 250 rotations. find the speed in kilo meter per hour.
plese give step by step explanation.
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Answered by
1
Answer:
2.1kms/hr
Step-by-step explanation:
r=35 cm
2r=70 cm
1 rotation= 70 cm
250 rotation=17500 cms= 175 mts
5 mins=175 mts
1mins=175/5 mts
60 mins=175/5×60=2100 mts=2.1 kms/hr
Answered by
1
Answer:
anwer is in the picture
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