A rock falls 30 m. Its KE before it strikes the ground is 4,392 J. What is the
mass of the rock?
A. 15 kg
B. 146 kg
C. 1.5 kg
D. 3.0 kg

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

Slab pull” is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere true or false

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive