JohnnieBGoode
JohnnieBGoode JohnnieBGoode
  • 02-02-2017
  • Physics
contestada

Determine the mechanical energy of this object: a 1-kg ball rolls on the ground at 2 m/s.

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MissPhiladelphia
MissPhiladelphia MissPhiladelphia
  • 08-02-2017
Mechanical energy is the sum of kinetic and potential energy in an object that is used to do work. In this case, potential energy would be zero. It is only kinetic energy that is present. We calculate as follows:

Kinetic energy = mv^2 / 2
Kinetic energy = 1(2^2) / 2 = 2 Joules
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ryan10chavez ryan10chavez
  • 21-02-2019

The answer would be ....... 2!

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