1
AIPMT 2003
MCQ (Single Correct Answer)
+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
2
AIPMT 2002
MCQ (Single Correct Answer)
+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%
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-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 :
A
1.5 m
B
2 m
C
2.5 m
D
3.0 m.
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
A disc is rolling, the velocity of its centre of mass is vcm. Which one will be correct?
A
the velocity of highest point is 2 vcm and point of contact is zero
B
the velocity of highest point is vcm and point of contact is vcm
C
the velocity of highest point is 2vcm and point of contact is vcm
D
the velocity of highest point is 2vcm and point of contact is 2vcm.
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