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A motor car running at the rate of 7ms^(...

A motor car running at the rate of `7ms^(1)` can be stooped by applying brakes in `10m` Show that total resistance to the motion when brakes are on is one fourth of the weight of the car .

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SL ARORA-Laws of Motion-Exercise
  1. An automobile is moving on a horizontal road with a speed upsilon If t...

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  2. Find the distance travelled by a body before coming rest, if it is mov...

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  3. A motor car running at the rate of 7ms^(1) can be stooped by applying ...

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  4. Find the power of an engine which can maintain speed of 50ms^(-1) for ...

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  5. A train weighing 1000 quintals is running on a level road with a unifr...

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  6. An automobile of mass m starts from rest and accelerates at a maximum ...

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  7. A suitcase is gently dropped on a conveyor belt moving at 3ms^(-1) If ...

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  8. A truck moving at 72 kmh ^(-1) carries a steel girder which rests on i...

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  9. A bullet of mass 10 gram is fired horizontally into a 5 kg wooden bloc...

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  10. In the masses of A and B are 10 kg and 5 kg . Calculate the minimum ma...

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  11. A block of mass 2kg rests on a rough inclined plane making an angle of...

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  12. A block of mass 10 kg is sliding on a surface inclined at 30^(@) with ...

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  13. Find the force required to move a train of mass 10^(5) kg up an inclin...

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  14. A block slides down an incline of angle 30^(@) with an acceleration of...

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  15. A 10 kg block slides without acceleration down a rough inclined plane ...

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  16. A railway engine weighing 40 metic ton is travelling along a level tra...

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  17. A metal block of mass 0.5 kg is placed on a plane inclined to the hori...

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  18. A metal block of mass 0.5 kg is placed on a plane inclined to the hori...

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  19. A metal block of mass 0.5 kg is placed on a plane inclined to the hori...

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  20. A block A of mass 14 kg moves alongg an inclined plance that makes an ...

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