An electron is located between a pair of oppositely charged parallel plates. As the electron approaches the positively charged plate, the kinetic energy of the electron?
*A. Increases
B. Decreases
C. Remains the same
If the speed of a moving object is doubled, which quantity also associated with the object must double?
*A. Momentum
B. KE
C. Gravitational potential energy
D. Acceleration
A 45 kilogram bicyclist climbs a hill at a constant speed of 2.5 meters per second by applying an average force of 85 Newtons. Approximately how much power does the bicyclist develop?
A. 115 W
*B. 210 W
C. 250 W
D. 320 W
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