Question

The displacement of a particle after time t is given by x =
(t3 - 6t2 + 3t + 4) metre.
What is the speed of the particle when its acceleration
is zero?
(1) -12 m/s (2) –9 m/s (3) -6 m/s (4) –3 m/s​

Answer 1

Answer:

hope this helps.

Explanation:

simple calculus is used here.