b) 4m/s/s
This is because you divide the speed you reach, by the time it takes to get to that speed:
12m/s ÷ 3s = 4m/s/s
The units come from what you divide, meters per second ÷ seconds this can be written as m/s/s or ms-²
Answer:
Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other
Explanation:
hope it helps
The distance increases per minute, levels out, then continued increasing.
pot energy depends on how high it is, kinetic on how fast it's going
if something falls, it gets lower and faster