# PS9 - fraction of atmospheric pressure does this amount to...

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Electricity and Magnetism Physics 2217 and AEP 2170 Spring 2011 Homework 9 Assigned: Monday May 2 th Due: Friday May 6 st 1. Problem 9.1 Purcell 2. Problem 9.2 Purcell 3. Problem 9.3 Purcell 4. Problem 9.5 Purcell 5. Problem 9.6 Purcell 6. Problem 9.8 Purcell 7. Problem 9.9 Purcell 8. Problem 9.10 Purcell 9. Problem 10.7 Purcell 10. Problem 10.13 Purcell 11. Problem 10.14 Purcell (Excellent!) 12. The intensity of sunlight hitting the earth is about 1300 W/m2. If sunlight strikes a perfect absorber, what pressure does it exert? How about a perfect reflector? What
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Unformatted text preview: fraction of atmospheric pressure does this amount to? Challenge Problem A long coaxial cable of length l, consists of an inner conductor (radius a) and an outer conductor of radius b. It is connected to a battery at one end and a resistor at the other. The inner conductor carries a uniform charge per unit length λ and a steady current I to the right; the outer conductor has the opposite charge and current. What is the electromagnetic momentum stored in the fields? (Think about the Poyting vector and its meaning (or units)...
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