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A particle of mass 200 g is moving in a ...

A particle of mass 200 g is moving in a circle of radius 2 m. The particle is just looping the loop. The speed of the particle and the tension in the string at highest point of the circule path are `(g=10ms^(-2))`

A

`4ms^(-1), 5N`

B

`4.47ms^(-1),` zero

C

`2.47ms^(-1)`, zero

D

`1ms^(-1)`, zero

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-WORK, ENERGY AND POWER-Assignment (SECTION - A)
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  8. Particle A makes a perfectly elastic collision with anther particle B ...

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

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

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

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

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  13. Select the false statement

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

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

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

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

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

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

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

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