Astudent swings back and forth from position a to c, as shown. which of the following happens when the swing moves from position b to position a? [] both potential energy and kinetic energy of the student increase. [] both potential energy and kinetic energy of the student decrease. [] potential energy of the student decreases and kinetic energy of the student increases. [] kinetic energy of the student decreases and potential energy of the student increases.

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.

A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?

Which accounts for an increase in the temperature of a gas that is kept a constant volume