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A boy is cycling such that the wheels of the cycle are making 140 revolution per minute . If the diameter of the wheel is 60 cm , calculate the speed per hour with which the boy is cycling.?
Most Upvoted Answer
A boy is cycling such that the wheels of the cycle are making 140 revo...
140revolution take1min
1revolution take 1min/140
=60/140 =3/7 s
now,R=30cm=0.30m
Speed=2πr/t
=2*(22/7)*0.30/(3/7 )
=1.88*7/3
=4.38m/s
for km/h
4.38*18/5
=15.76km/h(approx.)
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A boy is cycling such that the wheels of the cycle are making 140 revolution per minute . If the diameter of the wheel is 60 cm , calculate the speed per hour with which the boy is cycling.?
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A boy is cycling such that the wheels of the cycle are making 140 revolution per minute . If the diameter of the wheel is 60 cm , calculate the speed per hour with which the boy is cycling.? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about A boy is cycling such that the wheels of the cycle are making 140 revolution per minute . If the diameter of the wheel is 60 cm , calculate the speed per hour with which the boy is cycling.? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A boy is cycling such that the wheels of the cycle are making 140 revolution per minute . If the diameter of the wheel is 60 cm , calculate the speed per hour with which the boy is cycling.?.
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