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    Acceleration, displacement, trajectory

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    https://brainmass.com/physics/acceleration/acceleration-displacement-trajectory-24426

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    Please see attached file and double check the calculations.

    001: 175*cos(24 deg) = 159.87m
    002: 175*sin(24 deg) = 71.18 m
    003: First vector = 9.3j
    Second vector = 1.1(i*sin(29 deg) + j*cos(29 deg)) = 1.1(0.4848i + 0.8746j)
    = 0.5333i + 0.9621j
    Third vector = 6.6i
    Total displacement = 9.3j + 0.5333i + 0.9621j + 6.6i = 7.1333i + 10.2621j
    Magnitude of displacement =

    004: Theta = tan^-1(10.2621/7.1333) = 55.2 degrees

    005: theta = tan^ -1(51.3/206) = 13.98 degrees
    006: speed relative to the ground =

    007: Let x be the second displacement that makes and angle theta with the +ve x-axis
    Then ...

    Solution Summary

    The expert examines acceleration, displacement and trajectory.

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