PRE-LABORATORY EXERCISES FOR LAB 10 omplete these exercises on your own paper pr

Question

PRE-LABORATORY EXERCISES FOR LAB 10 omplete these exercises on your own paper prior to coming to the laboratory Assume g 9.808 m/s2 unless stated otherwise. Use MKS SI units unless stated otherwise pendula of length 1.00 m are set in motion at the same time. One pendulum has a bob of mass 0.050 kg and the other has a mass of 0.100 kg. What is the ratio of the periods of oscillation? What is the period of oscillation if the initial angular displacement is small? What is the period of oscillation if the initial angular displacement is 60.0°p Hint: use equation (7) and calculate the series out to three terms. 2. A pendulum with a mass of 0.25 kg has a period of 5 s. Find its length. 3. A wrecking ball swings through its equilibrium position 10.0 times in 50.0 seconds. How many complete oscillations does the wrecking ball make in the 50.0 seconds? What is the period of oscillation for this pendulum? Determine the length of the cable supporting the wrecking ball.

Explanation / Answer

2) T = 2pi*sqrt(L/g)

5 = 2pi*sqrt(L/9.8)

L = 6.2 m

so the length of the pendulum is 6.2 m

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