5th Edition

ISBN: 9780134051796

Author: Walker

Publisher: YUZU

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Chapter 25, Problem 103GP

Light Rocket Stranded 12 m from your spacecraft, you realize that your flashlight makes a directed beam of intensity 950 W/m² and can be used to propel you back to safety (a) If the radius of the beam is 3.8 cm, how much force does it exert on you? (b) If your mass (with spacesuit and gear) is 95 kg, what acceleration does the flashlight give you? (c) How much time will it take for you to reach the spacecraft? (d) Frustrated by the slow pace, you throw the 0.82-kg flashlight at 22 m/s directly away from the spacecraft. In how much time will you reach the spacecraft after you throw the flashlight?

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Chapter 25, Problem 102GP

Chapter 25, Problem 104GP

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