Sonar equipment sends sound wastes into deep water and measures what

The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage

An object in mechanical equilibrium is an object

Ashot putter releases the shot some distance above the level ground with a velocity of 12.0 m/s, 51.0 ∘above the horizontal. the shot hits the ground 2.08 s later. you can ignore air resistance. how far did she throw the shot?