Calculate the rotational kinetic energy of the object using the data: I=5 Kg-m^2, ω=25 rad/sec.(a) 1.46 KJ(b) 1.56 KJ(c) 2.58 KJ(d) 3.15 KJI have been asked this question during an interview.I want to ask this question from Solid-State Switching Circuits in division Introduction to Solid-State Switching Circuits of Electric Drives

Calculate the rotational kinetic energy of the object using the data:

1.	Calculate the rotational kinetic energy of the object using the data: I=5 Kg-m^2, ω=25 rad/sec.(a) 1.46 KJ(b) 1.56 KJ(c) 2.58 KJ(d) 3.15 KJI have been asked this question during an interview.I want to ask this question from Solid-State Switching Circuits in division Introduction to Solid-State Switching Circuits of Electric Drives
Answer» RIGHT choice is (b) 1.56 KJ Explanation: The Kinetic ENERGY of the object having a MOMENT of inertia=5 kg-m^2 ROTATING with an angular velocity EQUALS to 25 rad/sec is .5×I×ω^2 = .5×5×25×25 = 1.56 KJ.

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