1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
If a vector $$2\widehat i + 3\widehat j + 8\widehat k$$ is perpendicular to the vector $$4\widehat j - 4\widehat i + \alpha \widehat k,$$ then the value of $$\alpha $$ is
A
1/2
B
$$-$$ 1/2
C
1
D
$$-$$ 1.
2
AIPMT 2005
MCQ (Single Correct Answer)
+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
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
A force F acting

AIPMT 2005 Physics - Work, Energy and Power Question 22 English
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
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
A drum of radius R and mass M, rolls down without slipping along an inclined plane of angle $$\theta $$. The frictional force
A
dissipates energy as heat
B
decreases the rotational motion
C
decreases the rotational and translation motion
D
converts translational energy to rotational energy.
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