Tension in the cables in newtons
A 21 loudspeaker is suspended 3.0 below the ceiling by two cables that are each 40 from vertical. What is the tension in the cables in newtons?
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Suppose the current suddenly increases to 1.74 A in the same direction as before, due to an increase in speed of the bar.
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A soccer player kicks a rock horizontally off a cliff 38.5 m high into a pool of water. If the player hears the sound of the splash 3.20 s later, what was the initial speed given to the rock? Assume the speed of sound in air to be 343 m/s.
A man walks along a straight path at a speed of 4 ft/s. At what rate is the searchlight rotating when the man is 15 ft from the point on the path closest to the searchlight?
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Why do you think entrepreneurship in a nation declines as its population ages? How could this impact global marketing?
Pushing on the pump of a soap dispenser compresses a small spring. What compression is required for the spring potential energy to equal 0.0075 J?
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