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51
A smooth cylinder lying on its convex surface remains
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Answer: Option B
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52
A projectile is fired at an angle ‘θ’ to the vertical. Its horizontal range will be maximum when ‘θ’ is
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Answer: Option C
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53
The total kinetic energy of a hoop of mass 2 kg and radius 4 m sliding with linear velocity 8 m/sec and angular velocity 5 radian/sec is
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Answer: Option C
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54
Angular acceleration of a particle may be expressed as
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Answer: Option D
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55
A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 1 kg-m2 and its rate of rotation 2 rev/sec. The angular momentum of the body in kg-m2/sec is
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Answer: Option C
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