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Choose the correct options A block of m...

Choose the correct options
A block of mass m moving at a speed of u collides with another block of mass 2 m at rest. The lighter block comes to rest after the collision. The coefficient of restitution is

A

0.8

B

0.6

C

0.5

D

0.4

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CHETANA PUBLICATION-LAWS OF MOTION -EXERCISE
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  2. Choose the correct options A force F = (0.5x + 12) N acts on a partic...

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  3. Choose the correct options A block of mass m moving at a speed of u c...

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  4. Choose the correct options If the relative displacement between any t...

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  5. Choose the correct options A bomb of mass 9 kg explodes into two piece...

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  6. Choose the correct options The cofficient of restitution will NOT hav...

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  7. Choose the correct options A frame of reference which moves with cons...

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  8. Choose the correct options Non-inertial frame of reference has

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  9. Choose the correct options When a body is at rest, then

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  11. Choose the correct options What is the torque of force f=(2i-3j+4k) ac...

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  12. Choose the correct options A mass of 10 kg is suspended from a rope wo...

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  13. Choose the correct options Centre of mass of body lies

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  14. Choose the correct options The centre of mass of a system of two unifo...

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  15. Choose the correct options For a circular ring centre of gravity lies

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  16. Choose the correct options A uniform bar RS weighs 100 g and is 80 cm...

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  17. Choose the correct options A steel bar AB of mass 10 kg and length 1 m...

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  18. Choose the correct options A body of mass 2 kg, travelling at 4 m//s m...

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  19. Choose the correct options A particle of mass moving eastward with a s...

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  20. Choose the correct options The coordinate of centre of mass of a hemi...

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