A girl throws a softball with an acceleration of 38 m/s. It hits with a force of 19 N. What is the mass of the softball?

Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little

In the united states, tornadoes generally occur because of the freezing of ocean water underwater earthquakes meeting of cool and warm air masses shifting of warm and cool ocean currents