Which scientists supported the idea that light is made of streams of particles? Check all that apply.

When verifying Kirchhoff's rules, you measured: (a) temperature (b) resistance (c) time (d) current

Passing an electric current through a certain substance produces oxygen and sulfur. This substance cannot be a (n)

11. On an atomic scale, how does the strength of electric force compare to the stren gravitational force? A Electric force is equal to gravitational force, B. Gravitational force is stronger than electric force. C.

How are fossil fuels used in the harvesting of fresh apples from an apple tree? A) Fossil fuels power the rainwater used by the tree. B) Fossil fuels power the machine that shakes the tree so that the apples fall to the ground.

Which is an example of potential energy? Question 9 options: an electric current lighting a light bulb releasing the strings on a guitar a roller coaster speeding down a hill the pulled back string on an archer's bow

What happens to the total mechnical energy of the apple as it falls from the tree?

Fair Bonus Question: Derive the equation for gravitational potential energy, starting with the definition of work.

A juggler throws a bowling pin into the air with an initial velocity. Another juggler drops a pin at the same instant.

The liquid electrolyte in the battery typically takes what kind of net charge? a. positive b. negative c. neutral

Relating to Newton's Third Law, action and reaction, what is the reaction when a rocket expels gas, smoke and flames from the nozzle end of the rocket engine?