High density because it is obvious it will be hard to rip and tear.
Answer:
75 miles an hour
I hope this is correct and helps
If one of two interacting charges is doubled, the force between the charges will double.
Explanation:
The force between two charges is given by Coulomb's law

K=constant= 9 x 10⁹ N m²/C²
q1= charge on first particle
q2= charge on second particle
r= distance between the two charges
Now if the first charge is doubled,
we get 
F'= 2 F
Thus the force gets doubled.
1 metre per second = 2.237 miles per hour
so 83 m/sec = 185.666 miles per hour !! ...answer !!
Answer:
protrons and neutrons
Explanation:
i took a quiz with this question and got it right