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A bullet fired from gun with a velocity 30 m/s at an angle of `60^(@)` with horizontal direction. At the highest point of its path, the bullet explodes into two parts with masses in the ratio 1 : 3. The lighter mass comes to rest immediately. Then the speed of the heavier mass is

A

30 m/s

B

20 m/s

C

10 m/s

D

5 m/s

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TARGET PUBLICATION-LAWS OF MOTION-EXERCISE
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  2. A bomb at rest explodes into 3 parts of same mass. The momentum of two...

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  3. A bullet fired from gun with a velocity 30 m/s at an angle of 60^(@) w...

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  4. A body of mass 1 kg, initially at rest explodes and breaks into three ...

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  5. As shown in figure, a 16 g bullet is fired horizontally into a 4 kg bl...

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  6. A bullet of mass 10g moving horizontally with a velocity of 400 ms^(-1...

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  7. The kinetic energy of a body of mass 4 kg and momentum 6 Ns will be

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  8. Two particles of masses m(1) and m(2) have equal kinetic energies. The...

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  9. A stationary particle explodes into two particle of a masses m(1) and ...

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  10. A 12 kg bomb at rest explodes into two pieces of 4 kg and 8 kg. If the...

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  13. A rigid ball of mass m strikes a rigid wall at 60^(@) and gets reflect...

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  15. A ball of mass M(1) collides elastically and head on with another ball...

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  16. Two identiacal balls A and B having velocities of 0.5 m/s and -0.3" ...

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  17. Two particles A and B, move with constant velocities vec(v(1))" and "v...

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  18. Two particles of masses m(1),m(2) move with initial velocities u(1) an...

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  19. Dimensional formula for coefficient of restitution

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