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The sound intensity level at a rock concert is 103 dB, while that at a jazz fest is 72.3 dB. Determine the ratio of the sound intensity at the rock concert to that at the jazz fest.
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Question: A rock is suspended by a massless string. When the rock is invacuum, the tension in the string is 39.2 N. When the rock iscompletely immersed in water, the tension is 28.4 N. When the rockis completely immersed ...
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A body moving with uniform acceleration has a velocity of 18.9 cm/s when its x coordinate is 1.88 cm. If its x coordinate 2.68 s later is -5.03 cm, what is the x-component of its acceleration? Answer in units of cm/s2.
A baseball is thrown vertically upward at a speed of 39.2 m/s. How much time elapsed before it reaches it highest points, and how high above the ground does it get?
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