A small lead ball of mass 4.4 kg is suspended at the end of a light string 1 m i

Question

A small lead ball of mass 4.4 kg is suspended at the end of a light string 1 m in length. A small peg, L = 0.3 m below the suspension point, catches the string in its swing (Fig. 13-30). The ball is set swinging through small angles.

(a) What is the period of this pendulum?

(I Used T = 2(L/g) but its incorrect, I tried with an L of 1m and .7m)

(b) The ball is started swinging on the side that does not catch the peg, at an initial height 0.06 m above the low point. How high does it rise on the side where the peg restricts the pendulum length to 0.7 m?

Explanation / Answer

as

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