- Initial velocity=u=0m/s
- Acceleration=a=40m/s^2
- Time=t=2s
- Distance=s
Apply second equation of kinematics
Answer:
F' = 800 N
Explanation:
The electrical force between charges is 400 N.
The electrical force between two charges is given by :
If q₁' = 2q₁, new force becomes,
So, the new force becomes 800 N.
A book falls to the floor.
A car skids to a stop.
A foam ball launches from a spring (Are the right answer, just did this one 4:34 pm Jan/21/19)
Li and F would create LiF which would make an ionic compound because Li is a metal and F is a nonmetal.
Metal + Nonmetal = Ionic Compound
Answer: Water can either increase or decrease the friction between surfaces.