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March 24, 2017

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A car is driven east for a distance of 88 km, then north for 28 km, then in a direction 30 degrees east of north for 25 km. Determine the magnitude of the displacement (in kilometers) of the car from its starting point.

thanks!

  • physics - ,

    add them as vectors:

    displacement=88km E + 28km N + 25cos30 N + 25sin30 E.

    add the n, and the e components, and add.

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