Which energy transformation occurs in the core of a nuclear reactor?
a. nuclear energy to mechanical energy
b. nuclear energy to thermal energy
c. thermal energy to nuclear energy
d. mechanical energy to nuclear energy

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.