# Lecture-06 - Review Test#3 How long does it take the flare...

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Review – Test #3 How long does it take the flare to hit the top of the 1000 m tall target? A) 8.6 s B) 4.7 s C) 5.5 s (1000 m tall) D) 1.6 s E) forever

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Relative Motion L t #06 Ch 3 4 Lecture #06 – Ch. 3.4 Physics 125 – Fall 2010 Dr. Mike Melnichuk [email protected] Office: 2409 Randall Lab [email protected] Office Hours: 2:00 4:00 / Mon & Tue in Rm 1416 Randall Lab Office Hours: 2:00 – 4:00 / Mon. & Tue. in Rm. 1416 Randall Lab.
Rules of Relative Motion The velocity of object A relative to object C is equal to the (vector) sum of velocity of object A relative to object B and velocity of object B relative to object C. v v v + G G G A C A B B C = The velocity of object M relative to object N is equal to the opposite of the velocity of object N relative to object M. N M M N v v = − G G N

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