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lolroark

  • 3 years ago

my friend bob takes a walk at constant 1.2 m/sec for 8.5 min east. then jogs 2.7 m/sec for 6.3 min south. what is the magnitude of bobs total displacement?

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  1. lolroark
    • 3 years ago
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    would it be 510s*1.2 for one side then 378*2.7 and i then use the quadratic equation or is this the wrong idea?

  2. yash2651995
    • 3 years ago
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    |dw:1339166795849:dw|

  3. yash2651995
    • 3 years ago
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    pythagora's would also work.. cosine law would help.. but here angle is 90º so PGT will work

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