Which best describes the conservation of energy as a pendulum swings in the path shown below? the potential energy at point a is greater than the potential energy at point
c. the potential energy at point a is equal to the kinetic energy at point
c. the potential energy at point a is greater than the kinetic energy at point
b. the potential energy at point a is equal to the kinetic energy at point
b.

Hurryyy ! a student is asked to describe the path of a paper airplane that is thrown in the classroom. which statement best describes the path of the paper airplane? a. the paper airplane will move in a straight line, according to newton’s first law of motion. b. the paper airplane will drop straight to the ground once its inertia gives in to the force of gravity. c. the paper airplane will create a curved path toward the floor as it is pulled toward earth’s center. d. the paper airplane will orbit around the desk because it is the object with the largest mass in the room.

The physical processes that create most of earth's physical features, including mountains, are known as

According to the earth science reference tables, during which geologic time period were the continents of north america, south america, and africa closest together?