(II) An uncharged solid conducting sphere of radius r 0 contains two spherical cavities of radii r 1 and r 2 , respectively. Point charge Q 1 is then placed within the cavity of radius r 1 and point charge Q 2 is placed within the cavity of radius r 2 (Fig. 22–38). Determine the resulting electric field (magnitude and direction) at locations outside the solid sphere ( r > r 0 ), where r is the distance from its center. FIGURE 22–38 Problem 42.
(II) An uncharged solid conducting sphere of radius r 0 contains two spherical cavities of radii r 1 and r 2 , respectively. Point charge Q 1 is then placed within the cavity of radius r 1 and point charge Q 2 is placed within the cavity of radius r 2 (Fig. 22–38). Determine the resulting electric field (magnitude and direction) at locations outside the solid sphere ( r > r 0 ), where r is the distance from its center. FIGURE 22–38 Problem 42.
(II) An uncharged solid conducting sphere of radius r0 contains two spherical cavities of radii r1 and r2, respectively. Point charge Q1 is then placed within the cavity of radius r1 and point charge Q2 is placed within the cavity of radius r2 (Fig. 22–38). Determine the resulting electric field (magnitude and direction) at locations outside the solid sphere (r > r0), where r is the distance from its center.
4. How much energy must be transferred as heat to cause the quasi-static isothermal
expansion of one mole of an ideal gas at 300 K from PA = 1 bar to PB = 0.5 bar?
A. What is VA?
B. What is VB?
C. What is AU for the process?
D. What is AH for the process?
E. What is AS for the process?
1. The diagram shows the tube used in the Thomson
experiment.
a. State the KE of the electrons.
b. Draw the path of the electron beam in the gravitational
field of the earth.
C.
If the electric field directed upwards, deduce the direction of the magnetic field so it
would be possible to balance the forces.
electron gun
1KV
as a hiker in glacier national park, you need to keep the bears from getting at your food supply. You find a campground that is near an outcropping of ice. Part of the outcropping forms a feta=51.5* slopeup that leads to a verticle cliff. You decide that this is an idea place to hang your food supply out of bear reach. You put all of your food into a burlap sack, tie a rope to the sack, and then tie a bag full of rocks to the other end of the rope to act as an anchor. You currently have 18.5 kg of food left for the rest of your trip, so you put 18.5 kg of rocks in the anchor bag to balance it out. what happens when you lower the food bag over the edge and let go of the anchor bag? Determine the acceleration magnitude a of the two-bag system when you let go of the anchor bag?
Chapter 22 Solutions
Physics for Scientists and Engineers with Modern Physics
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