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A 125 g weight is hung from a spring with a spring constant of 25 N/m. The position of the mass is measured from the equilibrium point. The mass is pulled down 15 centimeter and released at t=0. The position of the mass is given by x (t) = xo cos (wt = theta o)
Find what are the values of all the constants in this equation?
Calculate the maximum energy of the mass?
Find at what time will the position be 5.0 centimeter? Memorize to do dimensions check and limiting cases.
A gas is orignally contained within a container of volume 100m^3 and is held at a pressure of 1 atmosphere and temperature of 15C, How many moles of gas were orignally contained
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A bucket of water with a mass of 2kg is attached to a rope that is wound around a cylinder. The cylinder has a mass of 3 kg and is mounted horizontally on frictionless hearings. The bucket is released from rest.
there are certain big questions that philosophers have been puzzling over for millennia. amazingly many people ask
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An arrow is fire with a speed of 20m/s at the block of Styrofoam resting on a smooth surface. The arrow penetrates a certain distance into the block before coming to rest relative to it.
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A brave child decides to grab on to an already spinning merry-go-round. The child is initially at rest and has a mass of 26.5 kg. What is the moment of inertia of the merry-go-round with respect to its central axis
An atom is ionized so that it has only one electron. When the electron drops from the n = 3 shell to the n = 1 shell, an X-ray of wavelength 232.59 pm is emitted. What is the atomic number?
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