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Ch1-H1-solutions

# Ch1-H1-solutions - chauhan(mmc2762 Ch1-H1 turner(56910 This...

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chauhan (mmc2762) – Ch1-H1 – turner – (56910) 2 This means that the y component of the unit vector is: ˆ r y = r y | vectorr | = 1 × 10 10 m 7 . 14143 × 10 10 m = 0 . 140028 007(part7of7)10.0points What is ˆ r z , the z component of the unit vector in the direction of vectorr ? Your answer must be within ± 5.0% Correct answer: 0 . 980196. Explanation: The unit vector has the form: ˆ r = vectorr | vectorr | . This means that the z component of the unit vector is: ˆ r z = r z | vectorr | = 7 × 10 10 m 7 . 14143 × 10 10 m = 0 . 980196 008(part1of5)10.0points A planet is located at vector P = (− 3 × 10 10 , 6 × 10 10 , 1 × 10 10 ) . A star is located at vector S = ( 4 × 10 10 , 5 × 10 10 , 1 × 10 10 ) . What is vector R , the vector pointing from the planet to the star? 1. vector R = ( 4 × 10 10 , 1 . 2 × 10 11 , 4 × 10 10 ) 2. vector R = ( 7 × 10 10 , 1 . 3 × 10 11 , 8 × 10 10 ) 3.
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