A. The particles are packed more tightly in materials with more density which causes the vibrations to bounce of the partials more rapidly which makes them go faster
There not enough inform here to answer this question
It is wasted, most likely as light, in this case, or it is lost during the transport of electricity.
Answer:3,45 x 10^9 N
Explanation: We have considered the total charge for each coin , this is the total atoms x 29 electrons for cooper and multiplier by electron charge, the total charge for each coin is 0,464 C
Finally we use the Coulomb law,
F=k Q/ (r)^2
ANSWER.no cause they have to be going a the same speed and I doubt that are gonna go at the same speed.