Answer:
a = 132 m/s^2
Explanation:
f(t) = t^4 − 2t^3 − 6t^2 + 9t
v = f'(t) = 4t^3 - 6t^2 - 12t + 9
a = f''(t) = 12t^2 - 12t -12
Substitute t = 4 seconds into the equation for a:
a = 12(16) -12(4) -12 = 132 m/s^2
Answer:
white triangles
Explanation:
A horizontal line of white triangles painted across a lane of traffic is called a yield line. The white triangles upside down mean the people at the traffic lane, have priority so, all the drivers must reduce the speed stop and wait for them, before going on their way.
Play with the baby, feed it , or maybe change the diaper
Answer:
The USA army will only buy the best uniform from america because if they bought from india where anti military terrorists are at large. Therefore they could possibly place a detonation device in these which would result in death of soldiers for a uniform to be cheaper.
Explanation:
They relied on and even encouraged slavery, and were heavily dependent on an agricultural economy/society
