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In which of the following cases is work being done on an object? question 2 options: pulling a trailer up a hill carrying a box down a corridor suspending a heavy weight with a strong chain pushing against a locked door
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Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec
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Choose all the answers that apply. our solar system: is in a spiral galaxy no longer includes pluto is made mostly of empty space is in the andromeda galaxy is the only known system that supports life
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A quartz crystal vibrates with a frequency of 64,621 Hz. What is the period of the crystal's motion...
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