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Question

The second equation of motion in rotatory motion is

A
S=ut+at22
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B
θ=ω1t+αt22
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C
ω22=ω21+2αθ
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D
ω2=ω1+αt
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Solution

The correct option is B θ=ω1t+αt22
S=ut+at22 is the second equation of linear motion.
Substituting analogous physical quantities of rotatory/circular motion in this we get θ=ω1t+12αt2
This is the second equation of circular motion

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