1
AIPMT 2005
+4
-1
A force F acting

on an object varies with distance x as shown here. The force is in N and x in m. The work done by the force in moving the object from x = 0 to x = 6 m is
A
18.0 J
B
13.5 J
C
9.0 J
D
4.5 J
2
AIPMT 2004
+4
-1
A ball of mass 2 kg and another of mass 4 kg are dropped together from a 60 feet ball building. After a fall of 30 feet each towards earth, their respective kinetic energies will be in the ratio of
A
$$\sqrt 2$$ : 1
B
1 : 4
C
1 : 2
D
1 : $$\sqrt 2$$
3
AIPMT 2004
+4
-1
A particle of mass m1 is moving with a velocity v1 and another particle of mass m2 is moving with a velocity v2. Both of them have the same momentum but their different kinetic energies are E1 and E2 respectively. If m1 > m2 then :
A
E1 < E2
B
$${{{E_1}} \over {{E_2}}} = {{{m_1}} \over {{m_2}}}$$
C
E1 > E2
D
E1 = E2
4
AIPMT 2004
+4
-1
A mass of 0.5 kg moving with a speed of 1.5 m/s on horizontal smooth surface, collides with a nearly weightless spring of force constant k = 50 N/m. The maximum compression of the spring would be

A
0.15 m
B
0.12 m
C
1.5 m
D
0.5 m
EXAM MAP
Medical
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