Physics, 09.07.2019 05:10 tonhill6923
Aforce of 2 pounds stretches a spring 1 foot. a mass weighing 3.2 pounds is attached to the spring, and the system is then immersed in a medium that offers a damping force numerically equal to 0.8 times the instantaneous velocity.(a) find the equation of motion if the mass is initially released from rest from a point 1 foot above the equilibrium position.(b) find the first time at which the mass passes through the equilibrium position heading upward.
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Ahorizontal force of 400.0 n is required to pull a 1760 n truck across the floor at a constant speed. find the coefficient of sliding friction.
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The diagram shows a boulder rolling down a hill into a valley and then up the opposite hill. at which position does the boulder have the greatest kinetic energy? ab c d
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