FInd the tangential and normal components of the acceleration.r(t) = (t2 - 8)i + ( 2t - 5)j + 6k
A. a = 
T + 
N
B. a = 
T + 
N
C. a = 
T + 
N
D. a = 
T + 
N
Answer: B
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Determine the coordinates of the points shown. Tell in which quadrant the point lies. Assume the coordinates are integers.
A. (-4, 6); quadrant II B. (-4, 6); quadrant I C. (-4, 3); quadrant II D. (-4, 3); quadrant I
Write the fraction or mixed number as a percent. Write the percent as a simplified fraction or mixed number.
A. 
%
B. 
%
C. 83
%
D. 8
%
Use a calculator to approximate the square root. Round to three decimal places.- 
A. -0.036 B. -0.004 C. -3.600 D. Not a real number
Solve.A windmill is constructed having blades 15.8 feet long. The length of the blades will be the radius of the circle which the windmill will sweep. What is the circumference of the circle which the windmill will sweep? (Use 3.14 for ?.)
A. 48.032 ft B. 96.064 ft C. 49.612 ft D. 99.224 ft