
The resultant displacement is:
:
The acceleration of the block is 4.90 m/s^2.
So, the magnitude of the resultant displacement is 48.2 km, and its direction is 38.3° south of west.
North component: 20.0 km + 35.0 km * cos(60.0°) = 20.0 km + 17.5 km = 37.5 km West component: -35.0 km * sin(60.0°) = -30.3 km
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