What kind of friction is occurring between a pencil and desktop when you flick the pencil?

Rolling friction

Fluid friction

Static friction

Sliding friction

You use 42 J of energy to move a 6.0 N object in 2 seconds. How far did you move it?

How many electrons are in the outer energy level of an atom of carbon

Luis weighed 80 pennies and found out they have a total mass of 240 grams. what is the mass of one penny?

A spring has a constant of 20 n/m. how far will it extend when the following forces are applied. (assume the spring does not pass its elastic limit) a) 10 N b) 50 N c) 0.2 KN

A student weighing 120 lbs climbs a 12 ft flight of stairs in 9 seconds. how much power did the student create?

If 2 grams of element X combine with 4 grams of element Y to form compound XY, how many grams of element Y would combine with 46 grams of X to form the same compound?

How do positive and negative charges interact with each other?

What is electricity

What happens to the density as one progresses through the layers of the earth from the lithosphere toward the inner core

What is tiny holes on the surface of a plant?