Solve the problem.Write the equations that describe the simple harmonic motion of a particle moving uniformly around a circle of radius 9 units, with linear speed 4 units per second.
A. x = 9 sin 4t, y = 9 sin 4t
B.
| x = 9 cos 4t, y = 9 sin 4t |
C. x = cos 9t + 4, y = sin 9t + 4
D. x = 4 cos 9t, y = 9 sin 4t
Answer: B
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