physics

A moving object has a kinetic energy of 133 J and a momentum with magnitude of 39.8 kg·m/s.
Detemine the mass (kg), and velocity (m/s) of the object.

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asked by justin
  1. (1/2) m v^2 = 133
    m v = 39.8 so m = 39.8/v

    (1/2) (39.8/v)v^2 = 133

    39.8 v = 266 etc

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    posted by Damon

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