If a 6 kilogram box is moved from the floor to a storage compartment 2 meters above the floor by how many joules does it's gravitational potential energy change

Mercury's natural state is where the atoms are close to each other but are still free to pass by each other. In which state (s) could mercury naturally exist? gas liquid solid or liquid solid or gas

Can an object have a varying speed if its velocity is constant?

A perfect electric dipole feels a net force in a uniform electric field. 1. True 2. False

What happens to the mass of a soft drink when you open it?

Car 1 drives 20mph to the south and car 2 drives 30mph to the north. From the frame of reference to car 1 what is the velocity of car 2?

Supercells are updrafts that may cause which of the following? A hurricanes b blizzards c thunderstorms d tornadoes i think its Thunderstorms or tornadoes

Physical Properties include ... A. taste, odor, and is corrosive B. taste, texture, and forms hydrogen gas. C. taste, odor, and texture D. texture, odor, and is corrosive

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 441J of energy to the room?

What is the difference between convex and concave mirrors and lens?

Which is the best example of Newton's Second Law of Motion? A student has on roller skates and he decides to push against the railing. He immediately begins to roll backwards. A small ball and a larger ball with greater mass are dropped from a roof.