Three resistors are placed in series. They have the following resistances: R4 = 20 ohms, R2 = 20 ohms, R = 10 ohms. What current would be moved through this circuit by a 5-V power supply? Can you please show your work ???
1.0 A
0.10 A
250 A
25 A

What is work? how much work is done to move an object 0 meters?

Astudent weighing 700 n climbs at constant speed to the top of an 8 m vertical rope in 10 s. the average power expended by the student to overcome gravity is most nearly

According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?