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A body of mass M at rest explodes into t...

A body of mass M at rest explodes into three pieces, two of which of mass M//4 each are thrown off in prependicular directions eith velocities of `3//s` and `4m//s` respectively. The third piece willl be thrown off with a velocity of

A

`3 m/s`

B

`2.5 m/s`

C

`4.5 m/s`

D

`9 m/s`

Text Solution

Verified by Experts

The correct Answer is:
`(2)`
`0 = M/4(3 hat i) + M/4 (4 hat j) + M/2 (vec v_(3))`
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NARAYNA-WORK , ENERGY & POWER -EXERCISE -III
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  8. Two sphere A and B of masses m(1) and m(2) respectivelly colides. A is...

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  9. When the KE of a particle is increased by 300%, the momentum of the bo...

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  10. The potential energy of a system increased if work is done

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  14. A car of mass m starta from rest and accelerates so that the instyanta...

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  15. The potential energy of a particle in a force field is: U = (A)/(r^(...

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  16. A solid cylinder of mass 3 kg is rolling on a horizontal surface with ...

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  17. Two sphere A and B of masses m(1) and m(2) respectivelly colides. A is...

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  18. A uniform force of (3 hat(i)+hat(j)) newton acts on a particle of mass...

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  19. A body of mass (4m) is laying in xy-plane at rest. It suddenly explode...

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  20. The heart of a man pumps 5 liters of blood through the arteries per mi...

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