A piece of Styrofoam has a charge of -0.004 C and is placed 3.0 m from a piece of salt with a charge of- C. How much electrostatic force is produced ?

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

Tall pacific coast redwood trees can reach heights of about 100 m. if air drag is negligibly small, how fast is a sequola cone moving when it reaches the ground f it dropped from the top of a 100 m tree?

If the new moon happens on january 15th, what shape will it be on february 6th?