Electrostatics homework – to be turned in Thursday
1. Define charge.
2. Explain why a
charged balloon will stick to a (neutral) wall.
3. What is the charge
(in coulombs) of a proton?
4. How many protons
does it take to make 1 coulomb of charge?
5. In any atom, which
particle(s) are fundamental and which are composite (made of smaller
particles)?
6. You have two
clusters of charge: 10 C and 20 C,
separated by 1-m of distance.
a. Use Coulomb’s law
to calculate the force that exists between the charges.
b. Is this force
attractive or repulsive?
c. If you were to
double the distance between the charges, what exactly would happen to the
amount of force between the charges?
7. Carbon is element
number 6.
a. What does the 6
represent?
b. What do you
suppose is the difference between Carbon-12 and Carbon-14?
8. What is the
difference between the charge of a proton and the charge of an electron?
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