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The angular velocity of a wheel increa...

The angular velocity of a wheel increases from 100 rps to 300 rps in 10 s. The number of revolutions made during that time is

A

A)600

B

B)1500

C

C)1000

D

D)2000

Text Solution

Verified by Experts

Angular displacement during time
`theta=(omega__(2)-omega_(1))t`
`=(2pin_(2)-2pin_(1))t`
`=(600pi-200pi)xx10`
`=4000pi` red
Therefore , number of revolutions made during this time
`=(4000pi)/(2pi)=2000`
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