Question 3 (multiple choice worth 2 points)
if we know the force, the distance, and the time we can calculate
only power.
work and power.
only work.
neither work or power.

question 4 (multiple choice worth 2 points)
if you are given time and distance, you can determine power if you know
force.
watts.
energy.
joules.

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

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.

Which of the following statement is false ? a.batteries should never be stored on metal trays or outside in the elements)b, battery acid cannot be neutralized)c.do not stack batteries on top of each other)d.never put a damaged battery in a dumpster. i