# question

**1onder20**

A mass of 1 slug is attached to a spring whose constant is 5 lb/ft. Initially the mass is released 1 foot below the equilibrium position with a downward velocity of 5 ft/s, and the subsequent motion takes place in a medium that offers a damping force numerically equal to two times the instantaneous velocity.

(a) Find the equation of motion if the mass is driven by an

external force equal to/(t) = 12 cos 2t + 3 sin 2t.

(b) Graph the transient and steady-state solutions on the same

coordinate axes.

(c) Graph the equation of motion.

solve the given differential equation by undetermined coefficients

y" - 4y = (x2 - 3) sin 2x

y'''' - y" = 4x + 2xe-x

solve each differential equation by variation of parameters.

y"+y=tan x

y" -y = sinh2x

solve the given initial-value problem. Use a graphing utility to graph the solution curve.

x^{2}y" - 3xy' + 4y = 0, y(l) = S, y'(l) = 3

Use the information given in the FIGURE to construct a mathematical model for the number of pounds of salt x1 (t), x2(t), and x3(t) at time t in tanks A, B, and C, respectively.

I'VE ATTACHED THE FIGURE.

- 7 years ago
- 25

**Answer(0)**

**Bids(0)**

**other Questions(10)**

- MBA 5101 Unit II Discussion Board Question
- Assignment 2: LASA 1: Juvenile Supervision
- Week 2 - ISYS - Assignment
- Ashford 6: - Week 5 - Final Paper Final Paper Focus of the Final Paper For the final paper, you will examine key...
- differences between traditional and social marketing?
- Humanities Media Literacy
- compare and contrast these costing systems and identify advantages and disadvantages of each
- alternative payment link
- Assignment
- Business Analysis-MBA