Calculate wavelength with the wavelength equation.
Use the correct units.
Plug the known quantities into the equation and solve.
Use this equation to solve for speed or frequency.
Calculate wavelength with the energy equation.
Answer
A. Half elementary charge
Explanation:
Force is a vector quantity
so pulling from opposite side will be negative
so
750+(-500)= 250N
C is the right answer
becauseause the man on the right applies greater force.
here's the answer I don't know if its correct but I wish it help you thanks for the points