Answer:
Explanation:
Given
Force of repulsion between two charge particle is given by force F
Electrostatic force is given by

where
and
is the charges of particle
r=distance between charge particle
when charges are doubled and distance is reduced to half
i.e. q become 2 q and r becomes 0.5 r



I believe this would be an example of Mary's velocity. We have her speed and direction which is all you need to find velocity.
Answer:
which principle prevents a brach from abusing its power
Explanation:
It would result in stiffness and pain. Additional stress would be put onto the joints as well. Hope this helps, cheers!
Answer:
No
Explanation:
I don't think the universe has a starting and ending point because the universe is vast and has not been fully discovered. I think that the universe is endless because all of the stars, planets, and galaxy's have yet to be found and the end or start of the universe is also yet to be discovered so I think that the universe could go on forever.