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Statement I: If a sphere of mass mmoving...

Statement I: If a sphere of mass `m`moving with speed `u` undergoes a perfectly elastic head-on collision with another sphere of heavier mass `M` at rest (`M gt m`), then direction of velocity of sphere of mass `m` is reversed due to collision (no external force acts on system of two spheres).
Statement II: During a collision of spheres of unequal masses, the heavier mass exerts more force on the lighter mass in comparison to the force which lighter mass exerts on the heavier one,

A

Statement -1 is True, Statement -2 si True , Statement -2 is a correct explanation for Statement -1.

B

Statement -1 is True, Statement -2 si True , Statement -2 is not correct explanation for Statement -1.

C

Satement-1 is True, Statement-2 is Satement-1 is True, Statement-2 is False.False.

D

Satement-1 is False, Statement-2 is True.

Text Solution

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The correct Answer is:
C
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ALLEN -CENTRE OF MASS-EXERCISE-III
  1. Statement-1 : The coefficient of restitution is less than one for all ...

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  2. Statement I: No external force acts on a system of two spheres which u...

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  3. Statement I: If a sphere of mass mmoving with speed u undergoes a perf...

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  4. Statement I: If a ball projected up obliquely from the ground breaks u...

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  5. Comprehension # 1 If net force on a system in a particular direction...

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  6. Comprehension # 1 If net force on a system in a particular direction...

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  7. Comprehension # 1 If net force on a system in a particular direction...

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  8. Comprehension # 1 If net force on a system in a particular direction...

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  9. Comprehension # 2 When two bodies collide normally they exert equal ...

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  10. Comprehension # 2 When two bodies collide normally they exert equal ...

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  11. A ball collides at B with velocity 10m//s at 30^(@) with vertical. The...

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  12. Comprehension # 4 When the mass of a sytem is variable, a thrust for...

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  13. Comprehension # 4 When the mass of a sytem is variable, a thrust for...

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  14. Comprehension # 5 One particle of mass 1 kg is moving along positive...

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  15. Comprehension # 5 One particle of mass 1 kg is moving along positive...

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  16. Comprehension # 5 One particle of mass 1 kg is moving along positive...

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  17. Comprehension # 6 A 1 kg block is given a velocity of 15 m//s toward...

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  18. Comprehension # 6 A 1 kg block is given a velocity of 15 m//s toward...

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  19. Comprehension # 6 A 1 kg block is given a velocity of 15 m//s toward...

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  20. Two blocks of equal mass m are connected by an unstretched spring and ...

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