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Answer:
What we have to do in this question
Answer:
A particle starts moving in a non-uniform circular motion, has angular acceleration as shown in the figure. The angular velocity at the end of 4 radian is given by ω rad/sec then find the value of ω.
α=dtdω
ω=dtdθ
⟹ωdθdω=α
⟹∫ωdω=∫αdθ=area under α−θgraph
⟹2ω2=21×4×9
⟹ω=6rad/s