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The weight of an object on the surface o...

The weight of an object on the surface of the Earth is 40 N. Its weight at a height equal to the radius of the Earth is

A

a. When they meet, speed of `A` is `0.67ms^(-1)`

B

b. When they meet, speed of `B` is `1.33ms^(-1)`

C

c. They will meet after a time `2.50s`

D

d. Speed of `A` will be zero, while that of `B` will be `2m//s`

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AAKASH INSTITUTE ENGLISH-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-Assignment (Section - C) Objective Type Questions (More than one option are correct)
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  9. Two particles A and B of masses 2kg and 3kg moving on a smooth horizon...

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  10. A particle strikes a smooth horizontal surface at an angle theta gt 0 ...

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  11. A girl throws the ball with horizontal velocity 2m//s at the moment t=...

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  14. A disc of mass M and radius R as shown in figure has some points on it...

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  15. A rod of mass m and length L is pivoted at the bottommost point O and ...

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  16. A rod of mass m and length L is pivoted at a point O and kept in horiz...

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  17. A horizontal rod of mass M and length L is tied to two verticle string...

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  18. A disc of radius R is moving on a rough horizontal surface with veloci...

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  19. A disc of given some velocity up the incline so that it goes up, stops...

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