The diameter of the wheel of a car is 70 cm . how many revolution will it make to travel one kilometer
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Hi ,
diameter of the wheel ( d ) = 70cm
radius ( r ) = d/2 = 70 /2 = 35 cm
distance moved by 1 revolution = circumference of the wheel
= 2πr
= 2 × 22/7 × 35
= 2 × 22 × 5
= 220 cm
220cm moves in 1 revolution
1km = 100000 cm moves in x revolutions
x = ( 100000 /220 )
x = 10000/22 revolutions
I hope this helps you.
:)
diameter of the wheel ( d ) = 70cm
radius ( r ) = d/2 = 70 /2 = 35 cm
distance moved by 1 revolution = circumference of the wheel
= 2πr
= 2 × 22/7 × 35
= 2 × 22 × 5
= 220 cm
220cm moves in 1 revolution
1km = 100000 cm moves in x revolutions
x = ( 100000 /220 )
x = 10000/22 revolutions
I hope this helps you.
:)
AwasthiAudhir:
You can divide it also
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