A car is moving at a speed of . The radius of its wheels is . If the wheels are stopped in 20 rotations by applying brakes, then angular retardation produced by the brakes is |
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a) |
b) |
c) |
d) |

A car is moving at a speed of . The radius of its wheels is . If the wheels are stopped in 20 rotations by applying brakes, then angular retardation produced by the brakes is |
||||||||

a) |
b) |
c) |
d) |

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