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A wheel completes 2000 revolutions to co...

A wheel completes 2000 revolutions to cover the 9.5km distance , then the diameter of the wheel is

A

1.5 m

B

1.5 cm

C

7.5 cm

D

7.5 cm

Text Solution

Verified by Experts

The correct Answer is:
A
Distance covered by wheel in 1 rotation `= 2pi r = pi D` (Where `D= 2r =` diameter of wheel)
`therefore` Distance covered in 2000 rotation `= 2000 pi D = 9.5xx10^(3)m` (given)
`therefore D = 1.5` meter.
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