If you know air pressure how do you calculate force exerted on the tabletop

What is the final temperature when a 3.0 kg gold bar at 99 0C is dropped into 0.22 kg of water at 25oC?

Which statement best describes the polarization of light

Which change will cause the gravitational force between a baseball and a soccer ball to increase? Check all that apply.

Average velocity x = 1.09m to x = 2.55m in 12.8s

What is the main reason that the earth's interior is liquid today? tidal force of the moon on the earth seismic waves that travel through earth's interior decay of radioactive elements convective motions in the mantle?

Why is mass movement more common after a heavy rainfall?

Order the colors of the rainbow starting with the color that is bent the least to the color that is bent the most (when it passes through a prism). Question 1 options: yellow blue indigo orange green red violet

Find the unit vector that has the same direction as the vector v = _12j

Why isn't the size of something considered a physical property?

A hunter is standing on flat ground between two vertical cliffs that are directly opposite one another. He is closer to one cliff than the other. He fires a gun and, after a while, hears three echoes. The second echo arrives 1.