A 40 W lightbulb plugged into a 120V line lights up. What resistance would the lightbulb have to have?

What is the momentum of a 2 kg object moving at 15 meters per second

Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal

If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.