The potential difference across two plates is 20.0 V. If the plates are 0.00500 m apart, what is the electric field between them? Unit= N/C

Explain earth's motion, using the terms "precession" and "rotation" in your answer.

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?