a person has gotten a new job with a much higher salary. he plans to spend his extra money on a new car and a great stereo system for his apartment.

Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending

Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.

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.