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Two balloons that have the same weight and volume are filled with equal amounts of helium. One is rigid and the other is free to expand as the pressure outside decreases. When released, which will rise higher?
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Question: A stretched spring stores 3.4 J of energy. How much energy will be stored if the spring is stretched three times as far? The response must be typed, single spaced, must be in times new roman font (size 12) and ...
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Question: In this problem we will consider a collision of two moving objects such that after the collision, the objects stick together and travel off as a single unit. The collision is therefore completely inelastic. You ...
Question: A rock thrown with speed 10.5 and launch angle 30.0(above the horizontal) travels a horizontal distance of = 18.0before hitting the ground. From what height was the rock thrown? Use the value = 9.810 for the fr ...
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Question: A stone is thrown vertically upward with a speed of 24.0m/s. a) how fast is it moving when it is at a height of 13.0m? I got 17.9 m/s b) How much time is required to reach this height? I got 4.28s and 6.20s c) ...
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