Calculate the voltage of a radio controlled car if the motor has a resistance of 240 ohms and there is a current of 3 amperes. Enter the number only and round your answer to the nearest ones position.​

Anybody wanna ? (picture included? )

Three charge are arranged as shown in the diagram. the magnitude of the net electrical force acting on the +6 uc charge, rounded to the tenths place, is .

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?