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Ch1-H3-solutions

# Ch1-H3-solutions - chauhan(mmc2762 Ch1-H3 turner(56910 This...

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chauhan (mmc2762) – Ch1-H3 – turner – (56910) 2 we want the change in magnitude, we need to take the magnitudes of vectorp i and vectorp f and find the change. We would usually use the Pythagorean theorem to find the magnitude of a vector, but in this case, our vectors have only one component each, so finding the mag- nitudes is easy. For vectorp i , | vectorp i | = | (0 . 057 kg) × ( 52 , 0 , 0 ) m / s | = |( 2 . 964 , 0 , 0 ) kg · m / s | = 2 . 964 kg · m / s . And for vectorp f , vextendsingle vextendsingle vectorp f vextendsingle vextendsingle = | (0 . 057 kg) × (− 42 , 0 , 0 ) m / s | = |(− 2 . 394 , 0 , 0 ) kg · m / s | = 2 . 394 kg · m / s . So the change in magnitude is vextendsingle vextendsingle vectorp f vextendsingle vextendsingle − | vectorp i | = 0 . 57 kg · m / s .
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Ch1-H3-solutions - chauhan(mmc2762 Ch1-H3 turner(56910 This...

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