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A Diwali cracker of mass 60 g at rest, e...

A Diwali cracker of mass 60 g at rest, explodes into three pieces A, B and C of mass 10 g, 20 g and 30 g respectively. After explosion velocities of A and B are 30 m/s along east and 20 m/s along north respectively. The instantaneous velocity of C will be

A

`(50)/3`m/s, 53° South of West

B

`(20)/3`m/s, 53° South of Eest

C

`(20)/3`m/s,37° South of West

D

`(50)/3`m/s, 37° South of Eest

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AAKASH INSTITUTE-TEST 2-EXERCISE
  1. A vehicle is moving at a speed of 30 m/s on a circular road of radius ...

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  2. A block of mass m is placed on a smooth wedge of incination theta. The...

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  3. A Diwali cracker of mass 60 g at rest, explodes into three pieces A, B...

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  4. A particle of mass 'm' is moving on a circular path of radius 'r' with...

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  5. Select the correct statement regarding Newton's laws of motion.

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  7. A wheel intially at rest, starts rotating with a uniform angular accel...

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  8. If a moving particle have linear momentum vec P and position vector ve...

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  9. Two identical rings are moving with equal kinetic energy One ring roll...

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  10. A uniform disc of mass m and radius R is thrown on horizontal law in s...

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  11. Two blocks A and B having masses 5 kg and 10 kg respectively connected...

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  12. A uniform rod of mass m and length l is hinged at upper end. Rod is fr...

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  13. A particle of mass 2 kg released from point A(2, 0, 0) m as shown in t...

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  14. The radius of gyration of a uniform square plate of mass M and side a ...

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  15. Choose the correct statement about the center mass of a body,

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  16. Block A of mass 3 kg is placed on another block B of mass 5 kg placed ...

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  17. The potential energy of a particle varies with position X according to...

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  18. A man pulls out a block of mass m from the depth d with help of a ligh...

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  19. A wooden block of mass 2m is hung with the help of a light string of l...

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  20. A ball collides perpendicularly with a vertical wall with speed v1 and...

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