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For a mass m attached to a spring with spring constant, Newton's Second Law says the displacement of the mass, x(t) should obey the differential equation
d^2x/dt^2=-(k/m)(x)(t)
If the mass crosses x=0 at time t=0 then one can show the displacement should be given by a function of the form x(t)=Acos(bt)
Find the second derivative of x(t)=Acos(bt), i.e compute (d^2)x/dt^2 using x(t)=Acos(bt) Do not include x(t) in your answer.
d^2x/dt^2=
A car is valued at $23 000 when it is first purchased, and it depreciates by 12% each year after that. Represent the value of the car. V(n) after n years
If F1 = 100 lb and F2 = 200 lb, determine the magnitude and coordinate direction angles of the resultant couple moment.
Briefly analyze the concepts of percentages, mark-ups and discounts. Make sure that you include all the main points that affect each and every concept
find the least number of cables required to connect eight computers to four printers to guarantee that for every choice
If investors invests $10,000 for one month in a company whose stock either goes up by 80% after a month with probability 1/2 or drops 60% with probability 1/2.
years after jane doe buys her new car she meets john buck and they get married. as new lyweds they would like to find a
K-Mart had 896 swimsuits that were marked to sell at $49.99 per unit. Each suit was marked down $18.95. Find the reduced price of each unit using the formula.
if it is a Queen, you are paid three dollars and the game ends; and if it is a King, you are paid four dollars and the game ends. What is the maximum amount of money a rational person would pay to play this game?
A certain company produces potting soil and sells itin 50 lb bags. Suppose that 200,000 bags are to be produced eachyear.
Suppose that a furniture manufacturer makes chairs, sofas, and tables. Consider the following chart of labor hours required and available.
Use the method of cylindrical shells to find the volume of the solid obtained by rotating the region bounded by the curves x=4y^2-y^3 and x=0 about the x-axis.
What is the next value?
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