1
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
A vertical spring with force constant k is fixed on a table. A ball of mass m at a height h above the free upper end of the spring falls vertically on the spring so that the spring is compressed by a distance d. The net work done in the process is
A
mg(h + d) $$-$$ $${1 \over 2}$$kd2
B
mg(h $$-$$ d) $$-$$ $${1 \over 2}$$kd2
C
mg(h $$-$$ d) + $${1 \over 2}$$kd2
D
mg(h + d) + $${1 \over 2}$$kd2
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
A uniform rod AB of length $$l$$ and mass m is free to rotate about point A. The rod is released from rest in the horizontal position. Given that the moment of inertia of the rod about A is ml2/3, the initial angular acceleration of the rod will be

AIPMT 2007 Physics - Rotational Motion Question 39 English
A
$${{mgl} \over 2}$$
B
$${3 \over 2}gl$$
C
$${{3g} \over {2l}}$$
D
$${{2g} \over {3l}}$$
3
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
A particle of mass m moves in the XY plane with a velocity v along the straight line AB. If the angular momentum of the particle with respect to origin O is LA when it is at A and LB when it is at B, then AIPMT 2007 Physics - Rotational Motion Question 40 English
A
LA = LB
B
the relationship between LA and LB depends upon the slope of the line AB
C
LA < LB
D
LA > LB.
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
A wheel has angular acceleration of 3.0 rad/sec2 and an initial angular speed of 2.00 rad/sec. In a time of 2 sec it has rotated through an angle (in radian) of
A
10
B
12
C
4
D
6
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