Dimensional analysis is a cool trick where you take your givens and calculate other necessary values out of them. Like turning distance (m) and time (s) into velocity (m/s)! Tons of physics problems require it.
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Nope. She still doesn't know what to do with this. Arghhhhhhhhh!!!!!!
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The spring is dropped and the higher you drop it from the more it compresses. Makes sense, non? So, what's going on is that the gravitational potential energy is being converted into the spring energy. Need formulae for both. Then set equal.
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What is g?
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g = 9.8 m / s^2. The force acting on a particle is F = m g, where m is the mass. The gravitational potential energy of a particle at height h is given by U = m g h.
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A coffee drinker would have solved the question by now!
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Shut up.
End of conversation
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