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Select the false statement...

Select the false statement

A

In elastic collision, KE is not conserved during the collision

B

The coefficient of restitution for a collision between two steel balls lies between 0 and 1

C

The momentum of a ball colliding elastically with the floor is conserved

D

In an oblique elastic collision between two identical bodies with one of them at rest initially, the final velocities are perpendicular

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The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-WORK, ENERGY AND POWER-Assignment (SECTION - A)
  1. The variation of potential energy U of a body moving along x - axis va...

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

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

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  4. A stone of mass 1kg is tied with a string and it is whirled in a verti...

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

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

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

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

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

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

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

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  12. Select the false statement

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  13. A bullet of mass m moving with velocity v strikes a block of mass M at...

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  14. A bullet of mass m moving with velocity v strikes a suspended wooden b...

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  15. A ball is allowed to fall from a height of 10m . If there is 40% loss ...

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  16. A bullet weighing 10 g and moving with a velocity 300 m/s strikes a 5 ...

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  17. A particle of mass m moving eastward with a velocity V collides with a...

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  18. Two perfectly elastic particles A and B of equal masses travelling alo...

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  19. Two balls of equal mass have a head-on collision with speed 6 m//s. If...

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  20. A ball of mass M moving with speed v collides perfectly inelastically ...

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