A perfectly frictionless ball is dropped from the empire state building observation deck (425 meters above the sidewalk). How fast is the ball traveling when it hits the sidewalk? 9.8 m/s
45 m/s
89 m/s
178 m/s

Will give brainliest! which statement best describes the similarities between fundamental forces? electromagnetic and strong nuclear forces influence the interaction between charged particles within an atom. gravitational and magnetic forces are both types of charges that occur in nature. nuclear and magnetic forces are both related to mass and weight. strong nuclear force is most like electrical force because they are both related to distance.

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

The slope of a velocity time graph over any interval of time gives the during that interval