1
AIPMT 2005
+4
-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 :
A
324 J
B
486 J
C
256 J
D
524 J
2
AIPMT 2004
+4
-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?
A
$${{{m_1}} \over {{m_1} + m{}_2}}$$d
B
$${{{m_1}} \over {{m_2}}}$$d
C
d
D
$${{{m_2}} \over {{m_1}}}$$d
3
AIPMT 2003
+4
-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 :
A
m2/m1
B
m1/m2
C
1
D
m1v2/m2v1
4
AIPMT 2002
+4
-1
If kinetic energy of a body is increased by 300% then percentage change in momentum will be :
A
100%
B
150%
C
265%
D
73.2%
EXAM MAP
Medical
NEET
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CBSE
Class 12