You have to find the acceleration first. so you would use the equation a=Vf-V0/t.
This would be 0-20/0.5 which equals to be a=-40. then you plug this in to the force equation wich is F=ma. F=55 x -40. F= -2200
Hope this helps!
The menstrual<span> cycle </span>occurs<span> due to the rise and fall of hormones</span>
Reaching ...............via the SOMATIC nervous system.
The somatic nervous system is the part of the peripheral nervous system which is associated with associated with voluntary control of body parts.
The major functions of the somatic nervous system is voluntary movement of muscles and organs.
Cytoplasm maintains the internal pressure in the cell.