Question

A solid cylinder of mass 20 kg and radius 0.12 m rotating with
initial angular speed of 125,' is placed lightly fi.e., without any
translational push) on a horizontal table with coefficient of kinetic
friction 1, =0.15.. between cylinder and table.
(a) After how long does the cylinder start rolling ?
(b) What is the initial :
(i) translational energy
(ii) rotational energy
(a) total energy of the cylinder ?
(c) What is the final (Le, after the rolling begins) :
@ translational energy
(í) rotational energy
(in) total energy of the cylinder ?
(d) is the final total energy equal to the initial total
energy of motion of the cylinder ? If not, where does the
difference of energy disappear ?​

Answer 1

Answer:

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Answer 2

Answer:

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