“photon-rocket

Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter2: Matter And Energy
Section: Chapter Questions
Problem 25RQ: How many watts of electrical energy are equal to 1 hp?
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An astronaut takes an ordinary flashlight, turns it on, and leave it out
in space (spin-stabilized by some rotation about its axis). What additional
speed will this “photon-rocket" have gained by the time the batteries give
out in two hours?
Transcribed Image Text:An astronaut takes an ordinary flashlight, turns it on, and leave it out in space (spin-stabilized by some rotation about its axis). What additional speed will this “photon-rocket" have gained by the time the batteries give out in two hours?
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