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A man of mass 50 kg us standing on a 100...

A man of mass `50 kg` us standing on a `100 kg` plank kept on a fricitonless horizontal floor. Initially both are at rest. If the man starts walking on the plank with speed `6m//s` towards right relative to the plank, then amount of muscle energy spent by the man is

A

`600J`

B

`200J`

C

`400J`

D

`500J`

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AAKASH INSTITUTE ENGLISH-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-Assignment (Section - B) Objective Type Questions (One option is correct)
  1. A circular plate of diameter 'a' is kept in contact with a square plat...

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  2. A body of mass m is projected from ground for horizontal range R. At t...

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  3. A man of mass 50 kg us standing on a 100 kg plank kept on a fricitonle...

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  4. A man of mass m jumps onto a boat which has a mass M. If the person ha...

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  5. Two smooth prisms of similar right-triangular sections are arranged on...

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  6. Spring Gun Recoil A loaded spring gun, initially at rest on a horizo...

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  7. Two blocks of mass 2kg and 5kg are given speed as shown in the figure....

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  8. A ball is allowed to fall from rest on a horizontal floor from a heigh...

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  9. A particle is dropped from rest from a height h(0) on a horizontal flo...

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  10. During collision between the objects.

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  11. A particle of mass m moving with a speed u strikes a smooth horizontal...

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  12. A particle collides with a smooth, surface with speed u at an angle th...

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  13. A particle of mass m strikes a disc of radius R and mass m with a spee...

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  14. Two identical billiard balls are in contact on a table. A third identi...

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  15. Two blocks A and B of mass 2m and m respectively are connected to a ma...

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

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  17. A body of mass m moving with a velocity v is approaching a second obje...

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  18. A body of mass M is moving on a smooth surface with speed v(0). Anoth...

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  19. A rigid rod is rotating as well as translating on a smooth horizontal ...

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  20. For the equilibrium of the system shown, the value of mass m should be

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