Question: Which of the following formulas is valid if the angular acceleration of an object is not constant? Explain your reasoning in each case. (a) v

Which of the following formulas is valid if the angular acceleration of an object is not constant? Explain your reasoning in each case.

(a) v = rω;

(b) atan = rα;

(c) ω = ω0 + αt;

(d) atan = rω2;

(e) K = 1/2 Iω2.

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