69. i a car starts from rest at a stop sign. it accelerates at 2.0 m/s²
for 6.0 seconds, coasts for 2.0 s, and then slows down at a rate
of 1.5 m/s2 for the next stop sign. how far apart are the stop
signs?

Efficiency is an act of doing something

The best answer is (a) which is universal law is in effect at all times. it is constantly at play in everything we do and governs our lives. it is also important to note that universal law applies to not only everything on earth, but everything in the universe as well, which is another reason why it is in effect at all times.