What nuclear reaction is the energy source of a white dwarf?

a. carbon and helium fusing into oxygen
b. none
c. helium fusing into carbon
d. hydrogen fusing into helium
e. oxygen fusing into silicon

You will be galileo perform the experiment to determine if objects with different mass fall at the same, or different, rates in the air and in a vacuum. (refer to the walk-through video to locate the online lab within the online textbook).

The two required components for a generator are

Aspring has a natural length of 8 m. if a 12-n force is required to keep it stretched to a length of 10 m, how much work w is required to stretch it from 8 m to 16 m? (round your answer to two decimal places.)