A conical pendulum of length l makes an angle θ = 45 ° with respect to Z - axis and moves in a circle in the X Y plane. The radius of the circle is 0.4 m and its center is vertically below O . The speed of the pendulum, in its circular path, will be - T a k e g = 10 m s - 2

Question

A conical pendulum of length l makes an angle θ = 45 ° with respect to Z - axis and moves in a circle in the X Y plane. The radius of the circle is 0.4 m and its center is vertically below O . The speed of the pendulum, in its circular path, will be - T a k e g = 10 m s - 2, 0.2 m s - 1, 0.4 m s - 1, 2 m s - 1, 4 m s - 1

MARKS App · Accepted Answer

T sin ⁡ θ = m v 2 r T cos ⁡ θ = m g tan ⁡ θ = v 2 r g θ = 45 o v 2 = r g v = r g = 0.4 × 10 v = 2 m s - 1

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