2) A 2-pound weight attached to the end of a spring stretches it 6 inches. At...
A first course in differential equations: HW question chapter 5.1 Simple Harmonic Motion Please solve Problem 21 all parts, thanks 21. A 64-lb weight attached to the end of a spring stretches it 0.32 ft. From a position 8 in. above the equilibrium position the weight is given a down ward velocitv of 5 ft/s. (a) Find the equation of motion. (b) What are the amplitude and period of motion? 191 SECTION 5.1 Simple Harmonic Motion (c) How many complete...
Due Thu 06/06/2019 2:5 A force of 20 lb stretches a spring 2 ft. A 8-lb weight is attached to the spring and the system is immersed in a medium that imparts a damping force equal to its instantaneous velocity. (a) Find the equation of motion if the weight is released from rest 18 inches above equilibrium position. z(t) Preview (b) the weight is released 18 inches above the equilibrium position with an upward velocity of 3 ft/s. r(t) Preview...
Please show all work! Thank you! P.S. 5.2 Q2 A force of 15 lb stretches a spring 3 ft. A 8-lb weight is attached to the spring and the system is immersed in a medium that imparts a damping force equal to its instantaneous velocity. (a) Find the equation of motion if the weight is released from rest 15 inches above equilibrium position x(t) Preview (b) the weight is released 15 inches above the equilibrium position with an upward velocity...
A 24-lb weight, attached to the end of the spring, stretches it 4 inches. Find the equation of motion if the weight is released from rest, from a point 3 inches above the equilibrium.
A mass weighing 4 pounds stretches a spring 6 inches. At time t = 0, the weight is then struck to set it into motion with an initial velocity of 2 ft/sec, directed downward. Determine the equations of motion for the position and the velocity of the weight. Find the amplitude, period, and frequency of the position (displacement). A 4-lb weight stretches a spring 1 ft. If the weight moves in a medium where the magnitude of the damping force...
A 32 pound weight is attached to the lower end of a coiled spring suspended from the ceiling. The spring constant for the spring is 9. At time t = 0, the weight is positioned Sqrt(3) feet below equilibrium and given an upward velocity of 3 feet per second. Determine the equation of motion of the weight as a function of time. Find the amplitude of the motion. Find the period of the motion. Find the phase angle. Determine the...
A 16-lb weight is attached to the lower end of a coil spring suspended from the ceiling and having a spring constant of 5 lb/ft. The resistance in the spring-mass system is numerically equal to the instantaneous velocity. At t=0 the weight is set in motion from a position 1 ft below its equilibrium position by giving it an upward velocity of 1 ft/sec. Write an initial value problem that models the given situation. Write the differential equation for the...
(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 4.00 lb weight stretches a certain spring 0.500 ft. With this weight attached, the spring is pulled 3.00 inches longer than its equilibrium length and released. Find the equation of the resulting motion, assuming no damping. y=?
differential equation 01 /8 points l Previous Answers 11 5.1.005 stretches a spring 6 inches. The mass is initially released from rest from a point 9 inches below the equilibrium position 2 s. (Use g 32 ft/s' for the acceleration due to gravity.) (a) Find the position x of the mass at the times t π/12, m/8, π/6, π/4, and 9m/3 x(n/12) x(T/8) ft ft x(T/4) x(9m/32)- (b) What is the velocity of the mass when t3/16 s? ft ft/s...