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College Physics
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ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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A 200g ball is tied to a string. It is pulled to an angle of 8° and released to swing as a pendulum. A student with a stopwatch finds that 10 oscillations take 12 s. How long is the string?
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- The cord of the machine is moved 4 cm off the equilibrium position and released. After 1.5 s from the moment of start-up, the ball reaches equilibrium. Determine the length of the pendulum! (g = 10 m / s2).arrow_forwardAn object is attached at the end of a spring. The amplitude of its motion is 0.3m, the period 10sec. After 1sec, what is the velocity of the object?arrow_forwardThe block is at rest as shown. What is the peiod of the oscillation if the block is pulled down by 10 cm, in seconds? Use g = 10 m/s². Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. 100 g 10 20 30 40 50 60 70 80 90arrow_forward
- A 236 g ball is tied to a string. It is pulled to an O angle of 7.8 and released to swing as a pendulum. A student with a stopwatch finds that 13 oscillations take 18 s. You may want to review (Pages 405 - 407). How long is the string? Express your answer to two significant figures and include the appropriate units. L = μÅ Value Ć Units ?arrow_forwardA simple pendulum is 1.2 m long.What is the period of motion for this pendulum if it is in truck accelerating horizontally at 2.41 m/s/s?arrow_forwardA 2.38 kg ball is attached to an unknown spring and allowed to oscillate. The figure shows a graph of the ball's position x as a function of time t. For this motion, what is the period? What is the frequency? What is the angular frequency?arrow_forward
- A scientist wishes to determine the acceleration of gravity on the surface of the planet Nos'Kere by experimenting with a pendulum. The length of the pendulum is 3.2 m, and the period of the pendulum is 2.3 s. unitarrow_forwardWhat is the period of a pendulum if its string is 0.75 m long and the object at the end has a mass of 0.25 kg? Your answer: 1.0 s 1.7 s 3.0 s O 3.6 sarrow_forwardA 0.95 kg mass hanging from a spring oscillates up and down according to the equation z(t) = (6.34 cm) sin ( (8.53 rad/s)t + π/4 ). What is the spring constant of the spring? Give your answer in units of N/m.arrow_forward
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