Some magnets have just one magnetic pole

A 3.8kg object is lifted 12 meters. Approximately how much work is performed during the lifting?

In your own words, explain why laws cannot become theories. Include one example to support your response.

An alpha particle (which has two protons) is sent directly toward a target nucleus with 90 protons. the alpha particle has a kinetic energy of 0.45 pj when far away.

A certain lever has a mechanical advantage of 5.5. How many heavy of a load could the lever lift with an input force of 20.0 N?

Which best describes why a liquid needs container when a solid does not

What is electricity

What happens to the density as one progresses through the layers of the earth from the lithosphere toward the inner core

What is tiny holes on the surface of a plant?

How is aperture measured? What do the measurements mean?

The mass of the Sun is 1.99 * 1030 kg. Jupiter is 7.79 * 108 km away from the Sun and has a mass of 1.90 * 1027 kg. The gravitational force between the Sun and Jupiter to three significant figures is * 1023 N.