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A body of mass m hangs from a spring; if we separate the body a distance of 5 cm from its equilibrium position, increasing the length of the spring, and let it go, we see that it makes 10 oscillations in 8 s.
Calculate:
a) The frequency, period and angular frequency.
b) The initial phase and the equation of motion, assuming that time begins to count when the body passes through the position y0 = 2.5 cm
c) Draw the y-t diagram.
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A pendulum of length L and mass M is released from rest at an angle theta from the equilibrium position. Neglect air friction. Calculate the velocity of the pendulum
Two moons of identical mass are 2000 kilometer apart. If superman pushes one moon away to make the distance 6000 kilometer, Compute the gravitational force between the moons
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