AIPMT 2005 | Center of Mass and Collision Question 32 | Physics

AIPMT 2005

MCQ (Single Correct Answer)

-1

A bomb of mass 30 kg at rest explodes into two pieces of masses 18 kg and 12 kg. The velocity of 18 kg mass is 6 m s^$$-$$1. The kinetic energy of the other mass is :

324 J

486 J

256 J

524 J

AIPMT 2004

MCQ (Single Correct Answer)

-1

Consider a system of two particles having masses m₁ and m₂. If the particle of mass m₁ is pushed towards the mass centre of particles through a distance d. by what distance would be particle of mass m₂ move so as to keep the mass centre of particles at the original position?

$${{{m_1}} \over {{m_1} + m{}_2}}$$d

$${{{m_1}} \over {{m_2}}}$$d

$${{{m_2}} \over {{m_1}}}$$d

AIPMT 2003

MCQ (Single Correct Answer)

-1

A stationary particle explodes into two particles of masses m₁ and m₂ which move in opposite directions with velocities v₁ and v₂. The ratio of their kinetic energies E₁/E₂ is :

m₂/m₁

m₁/m₂

m₁v₂/m₂v₁

AIPMT 2002

MCQ (Single Correct Answer)

-1

A rod of length is 3 m and its mass acting per unit length is directly proportional to distance x from one of its end then its centre of gravity from that end will be at :

1.5 m

2 m

2.5 m

3.0 m.

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