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A body loses half of its velocity on pen...

A body loses half of its velocity on penetrating 6 cm in wooden block. How much will it penetrate more before coming to rest ?

A

`1 cm`

B

`2 cm`

C

`3 cm`

D

`4 cm`

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-WORK, ENERGY AND POWER-SECTION-A (OBJECTIVE TYPE QUESTIONS (ONE OPTIONISCORRECT)
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  2. Momentum of a body increae by 0.02% percent increase in KE is

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  3. A body loses half of its velocity on penetrating 6 cm in wooden block....

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  4. The PE of a 2 kg particle, free to move along x-axis is given by V(x)=...

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  5. If 250 J of work is done in sliding a 5 kg block up an inclined plane ...

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  6. An object of mass 80 kg moving with velocity 2ms^(-1) hit by collides ...

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  7. Which of the following is not conservated in an inelestic collision ?

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  8. A ball of mass m moving with velocity u collides head-on which the sec...

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  9. Particle A makes a perfectly elastic collision with anther particle B ...

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  10. A shell of mass m moving with a velocity breakes up suddenly into two ...

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  11. A particle of mass m moving towards west with speed v collides with an...

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  12. A body of mass 10 kg moving with speed of 3 ms ^(-1) collides with ano...

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  13. A bullet of mass m hits a block of mass M. The transfer of energy is m...

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  14. A car moving with a velocity of 40 km/h can be stopped by brekes after...

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  15. A stationary particle explodes into two particles of masses x and y, w...

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  16. A stone of mass 0.2 kg is tied to one end of a string of length 80 cm....

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  17. A particle of mass 200 g is moving in a circle of radius 2 m. The part...

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  18. A particle of mass 200 g , is whirled into a vertical circle of radius...

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  19. A small ball of mass m moving with speed v collides elastically with a...

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  20. A particle of mass m moving with speed u collides perfectly inelastica...

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