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Grade: 12th pass
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Please help me with attached question .how to deal with such questions?
Please help me with attached question .how to deal with such questions?

```
8 months ago

## Answers : (1)

playing for fun
21 Points
```								initial velocity of the partical is v0	final velocity of the partical is v1	let velocity of the wedge be V	alpha=a	apply linear momentum of conservation in direction parllel to the inclined surface	mv0cosa=mv1sina+MVcosa	=since (M=2m)	v0cosa=v1sina+2Vcosa	v1=(v0-2V)cota              (eq=1)apply linear conservation of momentum direction perpendicular to inclined suface	mv0sina=MVsina-mv1cosa	v0sina=2Vsina-v1cosa	v1=(2V-v0)tana             (eq=2)from eq 1 and 2	v0=2V	and therefore  v1=0 from eq 2it means the partical doesn’t go upward after collision hence two impacts occur at the same timeso the time taken between them is 0 sec
```
8 months ago
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