Asmall object carrying a charge of -3.00 nc is acted upon by a downward force of 30.0 nn when placed at a certain point in an electric field.

Which features on mars point to the possibility of liquid water on the planet? impact craters with sharp rims volcanic cones with craters gullies and stream-like channels mountain ranges with faults

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter