Kizspy | Question: 39
(Choose 1 answer)
(See picture)
A. -16 (m/s)B. 16 (m/s)
C. -84 (m/s)
D. 84 (m/s)
E. None of the other choices is correct
A rock is dropped from a height of 100 meters. Its height above ground at time t seconds later is given by s(t) = -4t² + 100, 0 ≤ t ≤ 5. Find its instantaneous velocity at 2 second after it is dropped.
