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STATEMENT-1 : When a projectile explodes...

STATEMENT-1 : When a projectile explodes in mid air the centre of mass follows circular path after explosion.
STATEMENT-2 : In an elastic collision velocities can't be interchanged it colliding bodies have different masses.
STATEMENT-3 : During a perfectly elastic collision the kinetic energy of the system remains constant.

A

TTF

B

FFT

C

TFT

D

FTF

Text Solution

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A particle of mass m moving with velocity 2v collides with another particle of mass 3m moving with velocity v in the same direction.If it is perfect inelastic collision,the loss of kinetic energy of the system is

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Knowledge Check

  • STATEMENT-l : In an elastic collision between two bodies, the relative speed of the bodies after collision is equal to the relative speed before the collision. STATEMENT-2 : In an elastic collision, the linear momentum of the system is conserved.

    A
    Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1.
    B
    Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1
    C
    Statement-1 is True, Statement-2 is False.
    D
    Statement-1 is False, Statement-2 is True.

  • Statement-1 : Kinetic energy is conserved in both, perfectly elastic and perfectly inelastic collisions. Statement-2 : Because linear momentum is conserved in both.

    A
    Statement - 1 is ture , statement -2 is true, and statement-2 is correct explanation of statement -1.
    B
    Statement-1 if ture, statement-2 is true, but statement -2 is not a correct explanation of statement-1.
    C
    Statement-1 is true, but statement -2 is false.
    D
    Statement-1 is false, but statement-2 is true.

  • STATEMENT-1 : In an elastic collision in one dimension between two bodies , neither of which was at rest before collision, total momentum remains the same beofre, during and after the collision. because STATEMENT-2 : In an elastic collision in one dimension between two bodies, neither of which was at rest before collisoin, total kinetic energy remains the same before , during and after the collision.

    A
    Statement-1 is True , Statement-2 is True, Statement-2 is a correct explanation for Statement-1.
    B
    Statement-1 is True , Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1.
    C
    Statement-1 is True, Statement-2 is False
    D
    Statement-1 is False, Statement-2 is True.