A particle begins to move with a tangential acceleration of constant magnitude 0.6m/s2 in a circular path. If it slips when its total acceleration becomes 1m/s2, Find the angle through which it would have turned before it starts to slip.
A
23 radian
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B
23 degree
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C
43 radian
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D
43 degree
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Solution
The correct option is A23 radian Answer is A. Here, anet=√at2+ac2⇒ω2=ω02+2aθ Therefore, ω0=0,soω2=2aθ. ω2R=2(aRθ) ac=ω2R=2atθ 1=√0.36+(1.2×θ)2⇒1−0.36=(1.2θ)2 ⇒0.81.2=θ⇒θ=23rad Hence, the angle through which it would have turned before it starts to slip is 2/3 rad.