Around 1870, Fred Goldsmith threw a baseball a couple degrees to his right of the pitcher. What happenednext was a phenomenon known as the curve ball. The ball curved back to the left, directly in front of thepitcher. Where is the air pressure the lowest on the ball as it travels towards the pitcher?On the right of the baseball (as seen from Goldsmith)On the left of the baseball (as seen from Fred Goldsmith).Directly above the baseball.Directly below the baseball.Since the game is held outside, the pressure is the same all around the baseball. Two masses are attached via a sturdy rope. The rope is wrapped around a pulley, and the heavier mass ofthe two is held at height h above a spring which is right above the round. When the heavier mass isreleased, it falls until it comes to a stop on the spring, which has been compressed a small amount. Whenthe heavier mass comes to a stop, where does all the energy go?-hThe energy is kinetic energy of the pulley, potential energy of the lighter mass, and potential energy of the spring.The energy is kinetic energy of the pulley, lighter mass, and heavier mass.The energy is kinetic energy of the pulley, lighter mass, and potential energy of the spring.The energy is potential energy of the lighter mass, potential energy of the heavier mass, and potential energy of thespring.

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