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Questions  

The displacement of the point of a wheel initially in contact with the ground when the wheel rolls forward quarter revolution where perimeter of the wheel is 4π m, is (Assume the forward direction as x-axis)

a
(π+2)2+4 along tan-12π with x - axis
b
(π-2)2+4 along tan-12π-2 with x - axis
c
(π-2)2+4 along tan-12π with x - axis
d
(π+2)2+4 along tan-12π-2 with x - axis

detailed solution

Correct option is B

S=y2+x2 and θ=tan-1yx

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