Maybe number 4 could help.
Answer: magnitude and direction
Explanation:They are the two aspects of force that scientists measure
Answer:
Explanation:
Given


same charge on both masses
potential Energy due to Magnetic Field =Kinetic Energy of Particle


and we know
Force due to magnetic field will Provide centripetal Force


and B is equal for both particles
thus 



Id say d because it releases hydrogen and on the other hand a base receives it
<span />