Essential University Physics (3rd Edition)

3rd Edition

ISBN: 9780134202709

Author: Richard Wolfson

Publisher: PEARSON

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Chapter 29, Problem 33E

Your university radio station has a 5.0-kW radio transmitter that broadcasts uniformly in all directions; listeners within 15 km have reliable reception. You want to increase the power to double that range. What should be the new power?

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Chapter 29, Problem 32E

Chapter 29, Problem 34P

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13.87 ... Interplanetary Navigation. The most efficient way to send a spacecraft from the earth to another planet is by using a Hohmann transfer orbit (Fig. P13.87). If the orbits of the departure and destination planets are circular, the Hohmann transfer orbit is an elliptical orbit whose perihelion and aphelion are tangent to the orbits of the two planets. The rockets are fired briefly at the depar- ture planet to put the spacecraft into the transfer orbit; the spacecraft then coasts until it reaches the destination planet. The rockets are then fired again to put the spacecraft into the same orbit about the sun as the destination planet. (a) For a flight from earth to Mars, in what direction must the rockets be fired at the earth and at Mars: in the direction of motion, or opposite the direction of motion? What about for a flight from Mars to the earth? (b) How long does a one- way trip from the the earth to Mars take, between the firings of the rockets? (c) To reach Mars from the…

Chapter 29 Solutions

Essential University Physics (3rd Edition)

Ch. 29.2 - Would you expect to find a magnetic field between...Ch. 29.5 - Prob. 29.3GI Ch. 29.6 - Prob. 29.4GI Ch. 29.7 - Prob. 29.5GI Ch. 29.8 - Lasers 1 and 2 emit light of the same color, and...Ch. 29 - Why is Maxwells modification of Ampres law...Ch. 29 - Prob. 2FTD Ch. 29 - Is there displacement current in an...Ch. 29 - Prob. 4FTD Ch. 29 - Prob. 5FTD

Ch. 29 - When astronomers observe a supernova explosion in...Ch. 29 - Turning a TV antenna so its rods point vertically...Ch. 29 - The Sun emits about half of its...Ch. 29 - An LC circuit is made entirely from...Ch. 29 - Prob. 10FTD Ch. 29 - The intensity of light drops as the inverse square...Ch. 29 - Electromagnetic waves dont readily penetrate...Ch. 29 - Prob. 13E Ch. 29 - Prob. 14E Ch. 29 - The fields of an electromagnetic wave are E = Ep...Ch. 29 - A radio waves electric field is given by the...Ch. 29 - A light-minute is the distance light travels in 1...Ch. 29 - Your intercontinental telephone call is carried by...Ch. 29 - An airplanes radar altimeter works by bouncing...Ch. 29 - Roughly how long does it take light to travel 1...Ch. 29 - If you speak via radio from Earth to an astronaut...Ch. 29 - What are the wavelengths of (a) a 100-MHz FM radio...Ch. 29 - A 60-Hz power line emits electromagnetic...Ch. 29 - Microwave ovens for consumers use operate at 2.45...Ch. 29 - Prob. 25E Ch. 29 - Prob. 26E Ch. 29 - Vertically polarized light passes through a...Ch. 29 - Prob. 28E Ch. 29 - Prob. 29E Ch. 29 - Estimate the peak electric field inside a 1.1-kW...Ch. 29 - Prob. 31E Ch. 29 - Prob. 32E Ch. 29 - Your university radio station has a 5.0-kW radio...Ch. 29 - Prob. 34P Ch. 29 - Youre engineering a new cell phone, and youd like...Ch. 29 - Prob. 36P Ch. 29 - The medical profession divides the ultraviolet...Ch. 29 - Prob. 38P Ch. 29 - Prob. 39P Ch. 29 - A polarizer blocks 75% of a polarized light beam....Ch. 29 - Prob. 41P Ch. 29 - Unpolarized light of intensity S0 passes first...Ch. 29 - Prob. 43P Ch. 29 - Prob. 44P Ch. 29 - High microwave intensities can cause biological...Ch. 29 - Use the fact that sunlight intensity at Earths...Ch. 29 - A quasar 10 billion light-years from Earth appears...Ch. 29 - Prob. 48P Ch. 29 - Prob. 49P Ch. 29 - Find the peak electric and magnetic fields 1.5 m...Ch. 29 - A typical fluorescent lamp is a little more than 1...Ch. 29 - Prob. 52P Ch. 29 - A laser produces an average power of 7.0 W in a...Ch. 29 - Prob. 54P Ch. 29 - A 65-kg astronaut is floating in empty space. If...Ch. 29 - Prob. 56P Ch. 29 - A white dwarf star is approximately the size of...Ch. 29 - Use appropriate data from Appendix E to calculate...Ch. 29 - Prob. 59P Ch. 29 - Prob. 60P Ch. 29 - In a stack of polarizing sheets, each sheet has...Ch. 29 - Prob. 62P Ch. 29 - Prob. 63P Ch. 29 - Maxwells equations in a dielectric resemble those...Ch. 29 - Prob. 65P Ch. 29 - Your roommates father is CEO of a coal company, so...Ch. 29 - The Voyager I spacecraft is now beyond the outer...Ch. 29 - Prob. 68P Ch. 29 - Prob. 69P Ch. 29 - The table below shows the intensity of the radio...Ch. 29 - If a sunlight-powered sailing spacecraft...Ch. 29 - Prob. 72PP Ch. 29 - A sail capable of propelling a spacecraft to the...Ch. 29 - Prob. 74PP

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