1.2 A 40ohms
40 ohms
12 V

Fig.
7.20
Calculate the total energy developed in 5
minutes by the system above ​

The dot diagram represents the motion of the motorcycle as it moves from left to right

A20 cm long spring is attached to a wall. the spring stretches to a length of 22 cm when you pull on it with a force of 100 n. what is the spring constant

Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?