During a total lunar eclipse, where is the moon located?
a. in the umbra
b. in the penumbra
c. between the sun and earth
d. between the umbra and penumbra

Apositive rod is placed to the left of sphere a, and the spheres are separated. which best describes the spheres? sphere a is negative and sphere b is positive because protons from sphere a are attracted to the rod and move to sphere b. sphere a is negative and sphere b is positive because electrons from sphere b are attracted to the rod and move to sphere a. sphere a is positive and sphere b is negative because electrons from the rod move to sphere b and protons then move to sphere a. sphere a is positive and sphere b is negative because protons move from sphere b to the rod and also to sphere a.

If the speed of a particle triples ,by what factor does its kinetic energy increase?

What are the theoretical properties of a gas at a temperature of 0 kelvin?