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Get Full Access to Physics For Scientists & Engineers With Modern Physics - 4 Edition - Chapter 32 - Problem 32.75
Get Full Access to Physics For Scientists & Engineers With Modern Physics - 4 Edition - Chapter 32 - Problem 32.75

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# A 1.80-m-tall person stands 3.80 m from a convex mirror

ISBN: 9780131495081 132

## Solution for problem 32.75 Chapter 32

Physics for Scientists & Engineers with Modern Physics | 4th Edition

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Problem 32.75

A 1.80-m-tall person stands 3.80 m from a convex mirror andnotices that he looks precisely half as tall as he does in aplane mirror placed at the same distance. What is the radiusof curvature of the convex mirror? (Assume that sin 0 ~ 0.)[Hint: The viewing angle is half.]

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• KeyPoints o UnitofforceandmagnitudeismeasuredinNewtons o Direction=+or- o ObjectofInterest:theobjectbeinganalyzed o Makesuretoaskyourself,“Isitfalling” o NetForce:thesumofforces o Equilibrium:netforce=0 o System:objectofinterestandobjectexertingforcesonit o Contactforce:theforcewheretwoobjectsmeet o Forcediagrams:representforcesexertedonobjectofinterest • ForceDiagrams 1. Useadotforobjectofinterest. F(HAND) 2. Labelobjectofinterest.(PoolBall) 3. Listforcesthatotherobjectsexert

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