Given that the x- and y-coordinates of a moving particle are given by the indicated parametric equations, find the magnitude and direction of the acceleration for the specific value of t.x = 2t2 + 5, y = 3t2 - 2, t = 9
A. 64.9; 236.3°
B. 7.21; 236.3°
C. 64.9; 56.3°
D. 7.21; 56.3°
Answer: D
You might also like to view...
Use a graphical method to solve the system. Give x- and y-coordinates correct to the nearest hundredth.y = ln(3x - 2)x2 + 3y2 = 7
A. x = 0.74, y = -1.47; x = 1.73, y = 1.16 B. x = 1.73, y = -1.16; x = 0.74, y = 1.47 C. x = 5.25, y = 2.62 D. x = 0.77, y = 1.46; x = -0.59, y = -1.49
Solve the problem.Let f(x) = 
. Find a function y = g(x) so that (f ? g)(x) = x.
A. g(x) = 
B. g(x) = 
C. g(x) = 
D. g(x) = x(x - 7)
Solve the problem.Subtract (-20a4 + 16a2) from (7a4 - 3a2).
A. -13a4 + 13a2 B. 27a4 - 19a2 C. 8a6 D. 27a4 + 13a2
Solve the problem.The price p of a certain product and the quantity sold x obey the demand equation p = - 
x + 200, 0 ? x ? 300. Suppose that the cost C of producing x units is C = 
+ 800. Assuming that all items produced are sold, find the cost C as a function of the price p.
What will be an ideal response?