Compared with the earth's atmosphere, the atmosphere of venus is much has a greater percentage of co2, and has a greenhouse effect. a. thicker; stronger b. thinner; stronger c. thicker; weaker d. thinner; weaker

A-4.60 μc charge is moving at a constant speed of 6.80×105 m/s in the +x−direction relative to a reference frame. at the instant when the point charge is at the origin, what is the magnetic-field vector it produces at the following points.

Which expression allows you to determine the mechanical advantage of an inclined plane? a. height of plane / input force b. length of plane / input force c. length of plane / height of plane d. height of plane / length of plane

What is the difference between mass density and weight density?