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An outfielder throws a cricket ball with...

An outfielder throws a cricket ball with an initial kinetic energy of `800 J` and an infielder catches the ball when its kinetic energy is `600 J`. If the path of the ball between them is assumed straight and is `20 m` long, the air resistance acting on the ball is

A

`26.6 N`

B

`1.33 N`

C

`100 N`

D

`10 N`

Text Solution

Verified by Experts

The correct Answer is:
`(4)`

`W = -FS = K_(2) - K_(1)`
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NARAYNA-WORK , ENERGY & POWER -EXERCISE -II (C.W)
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  2. A bead of mass 1/2 kg starts from rest from A to move in a vertical pl...

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  3. An outfielder throws a cricket ball with an initial kinetic energy of ...

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  4. Velocity-time graph of a particle of mass (2 kg) moving in a straight ...

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  5. A block of mass 1 kg slides down a vertical curved track that is one q...

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  6. A force F = Ay^(2)+By+C acts on a body at rest in the Y-direction. The...

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  7. A block of mass m=1kg moving on a horizontal surface with speed v(i)=2...

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  8. In the fig. The potential energy U of a particle plotted against its p...

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  9. If F = 2x^(2) - 3x -2, then choose correct option:-

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  10. The potential energy of a 1kg particle free to move along the x-axis i...

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  11. A particle located in one dimensional potential field has potential en...

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  12. A block of mass 30.0 kg is being brought down by a chain. If the block...

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  13. A body of mass 2 kg is thrown vertically upwards with K.E of 245 J. Th...

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  14. A 3kg model rocket is launched striaght up with sufficient initial spe...

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  15. In the arrangement shown in figure, string is light and inextensible a...

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  16. The bob of a pendulum is released from a horizontal position. If the l...

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  17. System shown in figure is released from rest . Pulley and spring is ma...

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  18. The potential energy of a particle of mass m is given by U = (1)/(2) ...

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  19. Figure shows the vertical section of a frictionless surface. A block o...

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  20. A body of mass m falls from a height h and collides with another body ...

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