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March 28, 2017

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A girl delivering newspapers travels 2 blocks
west, 10 blocks north, then 4 blocks east.
What is the magnitude of her resultant dis-
placement?
Answer in units of blocks.
077 (part 2 of 3) 10.0 points
Find the direction (measured from due east,
with counterclockwise positive) of her dis-
placement.
Answer in units of 

  • physics - ,

    X = hor = 4 - 2 = 2 Blocks.

    Y = ver. = 10 Blocks.

    tanA = Y/X = 10 / 2 = 5,
    A = 78.7 deg.

    R = X/cosA = 2 /78.7 = 10.2 Blocks @
    78.7Deg.

  • physics - ,

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