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How can you increase the intensity of sound waves
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What is the length x of the side of the triangle below? (hint: use the cosine function)
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You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?
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Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.
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How can you increase the intensity of sound waves...
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