A hammer is dropped on PlanetX. If the hammer has a mass of 3kg and a weight of 9n, what is the gravitational acceleration of Planet X and is it more or less than that of earth?

What does the word "karate" mean? A. Fight back B. Respect C. Kick and hit D. Empty hand

What is the purpose of the hydrologic cycle

The buoyancy force on a submarine submerged in the ocean equals

Name two things that reduce friction

You know that a collision must be "elastic" if: a. The colliding objects stick together b. The colliding objects are stretchy or squishy c. The sum of the final kinetic energies equals the sum of the initial kinetic energies d.

The heat energy released or absorbed by a chemical reaction is generally determined by the difference between the energy that

A woman with a mass of * kg is standing on the rim of a large disk that is rotating at an angular velocity of 0.550 rev/s about an axis through its center. the disk has a mass of * kg and a radius of * m.

12. Too much socializing in the workplace can

What magnetic field strength is needed in each magnet to steer protons around the ring with a speed of 4.5 * 107 m/s? Assume that the field is uniform inside the magnet, zero outside.

The parts of a longitudinal wave that are closet together?