Answer:
0.75m/s^2
Explanation:
3.6-1.2=2.4 m/s (Change in velocity)
2.4/3.2=0.75 m/s/s or m/s^2
28.28 ms-1
v² = u² + 2as
v² = 20² + 2×2×100
v²= 800
v = 28.28 ms-1
125 degrees
180 - 55 = 125 degrees