A3.0 kilogram object is thrown upward with an initial speed of 10 meters per second. what maximum height will the object reach?

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

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

Contrast the force of gravity between these pairs of objects: 1-kg mass and a 2-kg mass that are 1 m apart; a 1-kg mass and a 2-kg mass that are 2 m apart; and two 2=kg masses that are 1 m apart. i dont understand.