Suppose a spring has mass M and spring constant k and let 
Suppose that the damping constant is so small that the damping force is negligible. If an external force 
is applied (the applied frequency equals the natural frequency), use the method of undetermined coefficients to find the equation that describes the motion of the mass.
What will be an ideal response?
Mathematics
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(-18, 6) for f(x,y) = sin(3x + 9y).
Select the correct answer. a. 0 b. 9 c. -9 d. -3 e. 3
Mathematics
Find the area of the geometric figure.
A. 96 sq ft B. 24 sq ft C. 48 sq ft D. 16 sq ft
Mathematics
Solve the problem.The surface area S of a sphere with radius r is given by the formula 
If a sphere has surface area 
square inches, what is its radius?
A. 14 in. B. 7 in. C. 7? in. D. 49 in.
Mathematics
Use dimensional analysis and the exchange rate below to convert. Round to the nearest hundredth, if necessary. 
Convert 800 € (euros) into U.S. dollars.
A. $533.97 B. $1,198.55 C. $829.36 D. $771.68
Mathematics