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2. A spring is stretched 10 cm by a force of 3 newtons. A mass of...
4. A spring is stretch 10 cm by a force of 3 N. A mass of 2 kg is hung from the spring and is also attached to a viscous damper that exerts a force of 3 N when the velocity of the mass is 5 m/s. If the mass is pulled down 5 cm below its equilibrium position and given an initial donward velocity of 10 cm/s determine its position u at any time t. Find the quasi-frequency μ...
A 2 kg mass is hung from a spring and stretches it 12 cm. The mass is also attached to a viscous damper that exerts a force of 3 N when the velocity of the mass is 4 m/s. The mass is pulled down 7 cm below its equilibrium position and given an initial downward velocity of 10 cm/s. Find an initial value problem that models the displacement of the mass, measured in meters, from the equilibrium position.
A mass weighing 16 lb stretches a spring 3 in. the mass is attached to a viscous damper with a damping constant of 2 lb s/ft. if the mass is set in motion from its equilibrium position with a downward velocity of 3 in/s. (1) find its position u(t) at any time t. Plot u versus t. (2) Determine the quasi frequency and the quasi period. (3) find the time τ such that |u(t)| < 0.01 in for all t...
a-slug mass is hung onto a spring, whereupon the spring is stretched 6 in from its natural length. The mass is n started in motion from the equilibrium position with an initial velocity of 4 ft/sec in the upward direction. Find the subsequent motion of the mass, if the force due to air resistance is -2t lb.
differential equations: a mass of 2kg stretches a spring 1m. the mass is in a medium that exerts a viscous resistance of 8 newtons when the velocity of the mass is 2m/sec. the mass is stretched from its equilibrium position 1m and then set in motion with a downward velocity of (3sqrt(3) - 1) m/sec. Let g=10 m/sec^2 a)state and solve the initial value problem for u(t), the displacement of the mass from its equilibrium position b) what is the...
(1 point) A frictionless spring with a 7-kg mass can be held stretched 0.6 meters beyond its natural length by a force of 70 newtons. If the spring begins at its equilibrium position, but a push gives it an initial velocity of 1 m/sec, find the position of the mass after t seconds. 0.244sin(4.08t) meters
ro A mass of 5 kg stretches a spring 20 cm. The mass is acted on by an external force of 10 sin N (newtons) and moves in a medium that imparts a viscous force of 4 N when the speed of the mass is 2 cm/s. If the mass is set in motion from its equilibrium position with an initial velocity of 9 cm/s, formulate the initial value problem describing the motion of the mass. (Use g = 9.8...
We know that a force of 7.2 Newtons is required to stretch a certain spring 0.8 meters beyond its natural length. Questions Q1 (0/10) A 2.56-kg mass is attached to this spring and allowed to come to equilibrium. The mass-spring system is then set in motion by applying a push in the upward direction that gives the mass an initial velocity of 1.15 meters per second. Q2 (0/10) Q3 (0/10) Q4 (0/10) Q5 (0/10) Q6 (0/10) Let y(t) represent the...
A force of 720 newtons stretches a spring 3 meters. A mass of 60 kilograms is attached to the end of the spring and is initially released from the equilibrium position with an upward velocity of 6 m/s. Find the equation of motion.
A mass weighing 10 lb stretches a spring 11 in. The mass is attached to a viscous damper with damping constant 3 lb ·s/ft. The mass is pushed upward, contracting the spring a distance of 4 in, and then set into motion with a downward velocity of 2 in/s. Determine the position u of the mass at any time t. Use 32 ft/s as the acceleration due to gravity. Pay close attention to the units. u(t) =