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Question: A simple pendulum oscillates with frequency f. (a) What is its frequency if the entire pendulum accelerates at 3/4g upward? (b) What is its frequency if accelerates at 0.75g downward? The response must be typed ...
Question: Io loses about a ton (1000 kilograms) of sulfur dioxide per second to Jupiter's magnetosphere. Part A: At this rate, what fraction of its mass would Io lose in 9.0 billionyears ? Express your answer using two s ...
Propane boilers are a common technology for domestic heating, and have a typical energy efficiency of 90%. The chemical formula of propane is C 3 H 8 , its lower heating value is 50,400 kJ/kg, and its carbon content by m ...
Question: Some passengers on an ocean cruise may suffer from motion sickness as the ship rocks back and forth on the waves. At one position on the ship, passengers experience a vertical motion of amplitude 1.6m with a pe ...
Question: Tim and Rick both can run at speed v_r and walk at speed v_w, with v_r > v_w They set off together on a journey of distance D. Rick walks half of the distance and runs the other half. Tim walks half of the time ...
Question: The speed of sound in air at 20 C is 344m/s. (A) What is the wavelength of a sound wave with a frequency of 784 Hz, corresponding to the note G5on a piano? (B) How many milliseconds does each vibration take? (C ...
Question: The problem: Two stationary point charges +3.00nC and +2.00nCare separated by a distance of 50.0cm. An electron is released fromrest at a point midway between the two charges and moves along theline connecting ...
Question: The position of a mass oscillating on a spring is given by x = (6.6cm) cos[2Ït/(0.69s)]. Part A: What is the frequency of this motion? Express your answer using two significant figures. Part B: When is the mas ...
A projectile is launched at an angle of 13.0° above the horizontal. What is its initial speed if it hits a target that is located a horizontal distance of 155 m from the launch point and 10.5 m below the launch level?
Question: Suppose that two stars in a binary star system are separated by a distance of 90 million kilometers and are located at a distance of 180 light-years from Earth. Part A What is the angular separation of the two ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
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