Solve the problem.Two forces, F1 and F2, of magnitude 60 and 70 pounds, respectively, act on an object. The direction of F1 is
and the direction of F2 is
. Find the magnitude and the direction angle of the resultant force. Round the magnitude to the nearest hundredth of a pound and the direction angle to the nearest tenth of a degree.
A. = 94.63; ? = 87.2°
B. = 92.20; ? = 80°
C. = 99.37; ? = 93.7°
D. = 92.20; ? = 89.4°
Answer: C
Mathematics
You might also like to view...
Solve each proportion for the given variable. =
A.
B. 6
C. 6
D. 7
Mathematics
For the graph of the function y = f(x), find the absolute maximum and the absolute minimum, if it exists.
A. Absolute maximum: none; Absolute minimum: none B. Absolute maximum: none; Absolute minimum: f(1) = 2 C. Absolute maximum: f(3) = 5; Absolute minimum: f(1) = 2 D. Absolute maximum: f(-1) = 6; Absolute minimum: f(1) = 2
Mathematics
Simplify the expression. Write the result using positive exponents only.r-4
A. r1/4
B.
C. -
D. -r4
Mathematics
Graph the system of inequalities.y ? x2 - 3y ? 1 - x2
A.
B.
C.
D.
Mathematics