physics
posted by amanda .
A man leaves his front door, walks 440 m east and 380 m north, stopping at the edge of a cliff. He then takes a penny from his pocket and drops it from the cliff, which is 20 m high. What is the magnitude of the displacement (in meters) of the penny?

pennydisplacement: 440E + 380N + 20 down
magnitude: sqrt(440^2+380^2+20^2)
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