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What is the minimum stopping distance fo...

What is the minimum stopping distance for a vehicle of mass `m` moving with speed `v` along a level road. If the coefficient of friction between the tyres and the road is `mu`.

A

`(v^(2))/(2 mug)`

B

`(2v^(2))/(mu g)`

C

`(v^(2))/(mug)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
`0^(2)=V^(2)-2 mugs`
`rArr s=(V^(2))/(2 mug). (A)`
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RESONANCE ENGLISH-NEWTONS LAWS OF MOTION AND FRICTION-Exercise
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  7. A weight w is to be moved from the bottom to the top of an inclined pl...

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  8. In the arrangements shown in the figure there is friction only between...

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  9. Starting form rest, a body slides down a 45^(@) inclined plane in twic...

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  10. A uniform rope so lies on a table that part of it lays over. The rope ...

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  11. A body is projected up along the rough inclined plane from the bottom ...

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  12. A chain of length L is placed on a horizontal surface as shown in figu...

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  13. With reference to the figure shown, if the coefficient of friction at ...

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  14. A block of mass 15 kg is resting on a rough inclined plane as shown in...

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  16. In the shown arrangements if f(1), f(2) and T be the frictional forces...

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  17. A block is given velocity 10 m/s along the fixed inclined as shown in ...

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  18. Car is accelerating with acceleration =20 m//s^(2). A box of mass m=10...

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  19. A body of mass 10 kg lies on a rough horizontal surface. When a horizo...

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