Kizspy | Question: 7
(Choose 1 answer)
(See picture)
A. a(10) 18 and a(4) = -18
B. a(10) 8 and a(4) = 0
C. a(20) 120 and a(8) = 20
D. a(20) -18 and a(8) = 20
E. None of the other choices is correct
At time t, the position of a body moving along the s-axis is s=t3-21+2 + 120t.
Find the body's acceleration each time the velocity is zero.
(Denote by a(t) the acceleration at time t).
