Question 6 Which of the following is required for a liquid to become a solid?
А
chemical change
B
vaporization energy
С
an increase in kinetic energy
D
a decrease in thermal energy

What will a positive and a negative charge do if they are separated from each other?

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)