The formula for velocity vf = vi + at
First list your given information
2m/s Is your initial velocity (vi)
6m/s is you final velocity (vf)
2 seconds is your time (t)
Since you want the a for acceleration get a by itself
a = (vf-vi)/t
So a= (6-2)/2
a= 4/2
a=2
Now units
the units for acceleration are m/s

2m/s
L = r x p = rmv = mr²ω
L = 0.25 x 0.75² x 12.5 = 1.758
Answer:
B. Kinetic energy.............
Answer:
B. A car sits at rest at a stop sign.