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Here is the problem which I am struggling on, please help me!
Problem: A spring has a spring stiffness constant, k, of 470N/m. How much must this spring be stretched to store 40J of potential energy?
Please show how you obtained the answer.
two objects moving with a speed travel in opposite directions in a straight line. the objects stick together when they
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lightbulbs in AC circuits "flicker" in intensity, though the flicking is too fast for your eyes to sense it. how many times a second does the bulb reach peak brightness
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