Answer:
8 units
Explanation:
F=(k*q1*q2)/(r^2)
K is a constant, q1 is charge of 1, q2 is charge of 2, r is distance between the two.
E=(1/2)kx^2
its a solid from the pressure they put on a tennis ball would make it full of moving at fast speed matter bites compacted together but still moving.
yes it doesn't matter
it doesn't matter because troughs and crests are the same and either can be used
30 degrees
