# post 9 - equilibrium position 4 An astronaut can be placed...

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Post Lab 9 1) When it's at its peak; at each change of direction, the two outer most points of the swing will have zero velocity. Horizontal acceleration is zero at the mean()equilibrium position. 2) Since the period of a simple pendulum depends on the length L of the string and the value of the gravitational field strength g, the t on the moon will be 2.45 times that of earths’. 3) Because of Hooke's law which states that the force F required to stretch a spring an amount D is proportional to the amount of stretch. A mass hanging from a spring which obeys Hooke's law will move with simple harmonic motion when displaced from the
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Unformatted text preview: equilibrium position. 4) An astronaut can be placed between two springs and constrained to move from right to left (linear motion) along the longitudinal axes of the springs. The mass will undergo a round trip from its rest position to a new position when the mass assembly is released uninterrupted by any other forces of friction. It will go back and forth in a period, the time required to complete one round trip of the motion. Once the period of the oscillation is measured by a timer, the astronaut's mass can be calculated by t= 2 π m/k or another words mass= kt/2 π....
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