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A particle strikes a smooth horizontal s...

A particle strikes a smooth horizontal surface at an angle `theta gt 0` and it rebounds at an angle `phi` as shown

A

If collision is perfectly inelastic, then particle will stop immediately after the collision and `phi` will not be defined

B

If collision is perfectly inelastic, then particle will not stop after the collision

C

`theta=phi`, if collision is perfectly elastic

D

`phi=90^(@)`, if collision is perfectly inelastic

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

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

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  17. A disc of mass m and radius R rotating with angular speed omega(0) is ...

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