The moment of inertia of a body about a given axis is 1.2 kg m2. · Initially, the body is at rest. In order to produce a rotational kinetic energy of 1500 J, an angular acceleration of 25 rad/s2 must be applied about that axis for a duration of

Question:

3. The moment of inertia of a body about a given axis is 1.2 kg m2. · Initially, the body is at rest. In order to produce a rotational kinetic energy of 1500 J, an angular acceleration of 25 rad/s2 must be applied about that axis for a duration of

Options :

a) 4 sec
b) 2 sec
c) 8 sec
d) 10 sec

Answer :

b) 2 sec

Answer Steps :

Step1 :-

Step2 :-

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Related Questions

The kinetic energy of a particle executing a linear SHM is 16 J, when it is in the mean position. If the amplitude is 25 cm, periodic time of the particle in second is (Mass of the particle = 51.2 g)

A body of mass ‘M’ executes SHM Along x-axis with frequency ‘n’. At a distance x from the mean position, the body has kinetic energy ‘K’ and potential energy ‘P’. The amplitude of oscillation of the SHM is

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