March 26, 2017

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Two objects are mocing about so that their total momentum is zero. What can be said about their kinetic energy? Choose the most descriptive answer.

a. the kinetic energy must be greater than zero

b. the kinetic energy must be negative

c. the kinetic energy must be equal to or greater than zero

d. the kinetic energy is zero

e. nothing can be known about the kinetic energy

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