Sti stands for Sexually Transmitted Infection. It is referred to sexually transmitted diseases.
1. Revise
2. Be calm
3. Be hydrated
4. Be positive (your going to pass this exam, I believe in you)
and 5 Good Luck mate.
Explanation:
acceleration = final velocity- initial velocity/time taken
acceleration =4.0m/s -0 m/s / 8 seconds
acceleration =4/8
acceleration =1/ 2
acceleration =0.5 ms^2
force = mass × acceleration
f = 86kg×0.5= 43 newtons