Rotational Motion-Rotational Kinetic Energy (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 5 - 6 of 6

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Question number: 5

» Rotational Motion » Rotational Kinetic Energy

Appeared in Year: 2016

MCQ▾

Question

Two rotating bodies A and B of masses Equation and Equation with moments of inertia Equation and Equation , have equal kinetic energy of rotation. If Equation and Equation be their angular momenta respectively, then –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 6

» Rotational Motion » Rotational Kinetic Energy

Appeared in Year: 2016

MCQ▾

Question

A solid sphere of mass Equation and radius Equation is rotating about its diameter. A solid cylinder of the same mass and same radius is also rotating about its geometrical axis with an angular speed twice that of the sphere. The ratio of their kinetic energies of rotation Equation will be:

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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