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Grade: 9
`         the rear wheels of a car are turning at an angular speed of 60 rad/s. the brakes are applided for 5 s,causing a uniform angular retardation of 8 rads/s^2. the number of revolutionbs turned by the rear wheels during the braking period is about  `
4 months ago

## Answers : (1)

Saurav
224 Points
```							the basic fact to solve this question is 2pie radians make one revolutionangular distance covered by wheel be sangular accleration be a= – 8 with unittime be t =5sinitial angular velocity be u =60 again with units=ut-(1/2)at*ts=300-100=200radiansnumber of revoltions = 200/2piethat is 100/pie   aprove if it helps you as it motivates me to answer more
```
4 months ago
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