Physics

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A car is driven 145 km west and then 65 km southwest. What is the displacement of the car from the point of origin (magnitude and direction)?

  • Physics -

    what is the degrees south of west is what I need to know

  • Physics -

    tan^-1 [(south vector component)/(west vector component)]
    = tan^-1 [(65*.707)/(65*.707 + 145)]
    = tan^-1(0.2407)
    = 13.5 degrees

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