Solve the problem.At time t, the position of a body moving along the s-axis is 
m. Find the body's acceleration each time the velocity is zero.
A. a(6) = 6 m/sec2, a(8) = -6 m/sec2
B. a(6) = 0 m/sec2, a(8) = 0 m/sec2
C. a(12) = 72 m/sec2, a(16) = 12 m/sec2
D. a(6) = -6 m/sec2, a(8) = 6 m/sec2
Answer: D
Mathematics
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