Go At time t 1 an electron is sent along the positive direction of an x axis, through both an electric field and a magnetic field with directed parallel to the y axis. Figure 28-33 gives the y component F net , y of the net force on the electron due to the two fields, as a function of the electron’s speed v at time t 1 . The scale of the velocity axis is set by v s = 100.0 m/s. The . x and z components of the net force are zero at t 1 . Assuming B x = 0, find (a) the magnitude E and (b) in unit-vector notation. Figure 28-33 Problem 12.
Go At time t 1 an electron is sent along the positive direction of an x axis, through both an electric field and a magnetic field with directed parallel to the y axis. Figure 28-33 gives the y component F net , y of the net force on the electron due to the two fields, as a function of the electron’s speed v at time t 1 . The scale of the velocity axis is set by v s = 100.0 m/s. The . x and z components of the net force are zero at t 1 . Assuming B x = 0, find (a) the magnitude E and (b) in unit-vector notation. Figure 28-33 Problem 12.
Go At time t1 an electron is sent along the positive direction of an x axis, through both an electric field and a magnetic field with directed parallel to the y axis. Figure 28-33 gives the y component Fnet,y of the net force on the electron due to the two fields, as a function of the electron’s speed v at time t1. The scale of the velocity axis is set by vs = 100.0 m/s. The .x and z components of the net force are zero at t1. Assuming Bx = 0, find (a) the magnitude E and (b) in unit-vector notation.
The cylindrical beam of a 12.7-mW laser is 0.920 cm in diameter. What is the rms value of the electric field?
V/m
Consider a rubber rod that has been rubbed with fur to give the rod a net negative charge, and a glass rod that has been rubbed with silk to give it a net positive charge. After being charged by contact by the fur and silk...?
a. Both rods have less mass
b. the rubber rod has more mass and the glass rod has less mass
c. both rods have more mass
d. the masses of both rods are unchanged
e. the rubber rod has less mass and the glass rod has mroe mass
8) 9)
Chapter 28 Solutions
Fundamentals of Physics Extended 10e Binder Ready Version + WileyPLUS Registration Card
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