Differential Equation
A mass weighing 100 N stretches a spring 2 meters. The mass is set in motion with an
initial position 1 meter below equilibrium before being released with an upward velocity of
5m/s.
a) Find the equation of the motion at any time t.
b) Determine the amplitude and period of the oscillations.
c) Sketch the graph of the motion.
d) Assuming there is a damping force equal to 80 times instantaneous velocity imposed on
the system, determine the type of the damping system. Give your reason(s).
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1. A force of 2 pounds stretches a spring 1 foot. A mass weighing 3.2 pounds...
1. A force 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 that is equal to 0.4 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. (Use the convention that displacements measured below the equilibrium position are positive.) (b)...
1. A mass weighing 8 pounds is attached to a 4 foot long spring and stretches it to 8 feet long. ...
1. A mass weighing 8 pounds is attached to a 4 foot long spring and stretches it to 8 feet long. The medium offers a damping force equal to 0.5 times the instantaneous velocity. Find the equation of motion if the mass is released from rest at a position 18 inches above the equilibrium.
1. A mass weighing 8 pounds is attached to a 4 foot long spring and stretches it to 8 feet long. The medium offers a damping...
(7 points) 13. A mass weighing 10 pounds stretches a spring 3 inches. The mass is...
(7 points) 13. A mass weighing 10 pounds stretches a spring 3 inches. The mass is removed and replaced with a mass weighing 51.2 pounds, which is initially released from a point 4 inches above the equilibrium position with an downward velocity of ft/s. Find the equation of motion, ä(t). (g = 32 ft/s2) (7 points) 14. A mass weighing 4 pounds stretches a spring 2 feet. The system is submerged in a medium which offers a damping force that...
A mass weighing 8 pounds stretches a spring 1 foot. The system is then immersed in...
A mass weighing 8 pounds stretches a spring 1 foot. The system is then immersed in a medium that offers a damping force numerically equal to 3 times the instantaneous velocity. The mass is initially released from the equilibrium position with a downward velocity of 4 ft/s. Find the spring constant ?, mass ? and the damping constant ? Find ? and ?, and the roots of the characteristic equation: Write the initial conditions: Estimate the time when the mass...
A 1 kilogram mass is attached to a spring whose constant is 24 N/m, and the...
A 1 kilogram mass is attached to a spring whose constant is 24 N/m, and the entire system is then submerged in a liquid that imparts a damping force numerically equal to 11 times the instantaneous velocity. Determine the equations of motion the following is true (a) the mass is initially released from rest from a point 1 meter below the equilibrium position 11 31 1 -S4 (t) = e + e 4 m (b) the mass is initially released...
(7 points) 14. A mass weighing 4 pounds stretches a spring 2 feet. The system is...
(7 points) 14. A mass weighing 4 pounds stretches a spring 2 feet. The system is submerged in a medium which offers a damping force that is numerically equal to the instantaneous velocity. The mass is initially released from a point 1 foot above the equilibrium position with a downward velocity of 8 ft/s. Find the equation of motion, ä(t). What type of damped motion is this system?
3. A mass weighing 2 pounds stretches a spring 1 foot. The mass is initially released...
3. A mass weighing 2 pounds stretches a spring 1 foot. The mass is initially released from rest from a point 1 foot above the equilibrium position, and the subsequent motion takes place in a medium that offers a damping force that is 1 numerically equal to 0.4 times the instantaneous velocity. Find the equation of motion.(25pts)
A force of 4 pounds stretches a spring 1 foot. A mass weighing 3.2 pounds is...
A force of 4 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 0.4 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. x(t) = ft (b) Express the equation of motion in the form x(t) = Aet...
In problems 14-17, set up the spring mass equation. Determine whether it is undamped, under, critically...
In problems 14-17, set up the spring mass equation. Determine whether it is undamped, under, critically or overdamped. Solve the IVP and draw a graph (technology is cool) of the solution on the interval 0 < t < 12. If the system Is underdamped convert the solution to the form Re^alpha t sin(beta t + delta) A mass weighing 64 pounds stretches a spring 0.32 foot. The mass is initially released from a point 8 inches above the equilibrium position...
A force of 2 pounds stretches a spring 1 foot. A mass weighing 3.2 pounds is...
A force 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 x(t) ft (b) Express the equation of motion in the form x(t) = Ae-At sin...
1. A force 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 that is equal to 0.4 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. (Use the convention that displacements measured below the equilibrium position are positive.) (b)...
1. A mass weighing 8 pounds is attached to a 4 foot long spring and stretches it to 8 feet long. The medium offers a damping force equal to 0.5 times the instantaneous velocity. Find the equation of motion if the mass is released from rest at a position 18 inches above the equilibrium.
1. A mass weighing 8 pounds is attached to a 4 foot long spring and stretches it to 8 feet long. The medium offers a damping...
(7 points) 13. A mass weighing 10 pounds stretches a spring 3 inches. The mass is removed and replaced with a mass weighing 51.2 pounds, which is initially released from a point 4 inches above the equilibrium position with an downward velocity of ft/s. Find the equation of motion, ä(t). (g = 32 ft/s2) (7 points) 14. A mass weighing 4 pounds stretches a spring 2 feet. The system is submerged in a medium which offers a damping force that...
A 1 kilogram mass is attached to a spring whose constant is 24 N/m, and the entire system is then submerged in a liquid that imparts a damping force numerically equal to 11 times the instantaneous velocity. Determine the equations of motion the following is true (a) the mass is initially released from rest from a point 1 meter below the equilibrium position 11 31 1 -S4 (t) = e + e 4 m (b) the mass is initially released...
(7 points) 14. A mass weighing 4 pounds stretches a spring 2 feet. The system is submerged in a medium which offers a damping force that is numerically equal to the instantaneous velocity. The mass is initially released from a point 1 foot above the equilibrium position with a downward velocity of 8 ft/s. Find the equation of motion, ä(t). What type of damped motion is this system?
3. A mass weighing 2 pounds stretches a spring 1 foot. The mass is initially released from rest from a point 1 foot above the equilibrium position, and the subsequent motion takes place in a medium that offers a damping force that is 1 numerically equal to 0.4 times the instantaneous velocity. Find the equation of motion.(25pts)
A force of 4 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 0.4 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. x(t) = ft (b) Express the equation of motion in the form x(t) = Aet...
In problems 14-17, set up the spring mass equation. Determine whether it is undamped, under, critically or overdamped. Solve the IVP and draw a graph (technology is cool) of the solution on the interval 0 < t < 12. If the system Is underdamped convert the solution to the form Re^alpha t sin(beta t + delta) A mass weighing 64 pounds stretches a spring 0.32 foot. The mass is initially released from a point 8 inches above the equilibrium position...
A force 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 x(t) ft (b) Express the equation of motion in the form x(t) = Ae-At sin...
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