A series circuits has 2 9-Volt batteries and 4 resistors with values of 10, 15, 6, and 117 Ohms. What current runs through the circuit?

With these questions , 15 pts & brainliest

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)