The path of a point on the rim of a wheel of radius a that is rolling on a horizontal surface has parametric equations x = a(t - sin t), y = a (1 - cos t), for t ? 0. Estimate the value of a for the cycloid curve.Cycloid: x = 3(t - sin t), y= 3(1 - cos t), 0 ? t ? 6?
A. a = 3?
B. a = 3
C. a = 1
D. a = 
Answer: B
You might also like to view...
Solve.An electrical resistor is rated at 460 ohms 
. What is the highest value its resistance could have within this tolerance range? What is the lowest?
What will be an ideal response?
Find the vertex of the parabola.y = 2x2 - 20x + 52
A. (-5, -2) B. (2, 5) C. (5, 2) D. (-2, -5)
Tell whether the angle is acute, right, obtuse, straight, or reflex.
A. Straight B. Reflex C. Right D. Acute
Parallel circuits consist of:
a. Two or more resistors with one point in common b. Two or more resistors with two points in common c. Two or more resistors always conducting the same current d. Two or more resistors with different voltages across the resistors e. Two or more resistors always of the same resistance value