# Torque, Static Equilibrium, and Rotational Dynamics

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2. If two particles have equal kinetic energies, does that mean that they must have equal momenta? Explain.

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No.

Momenta is a vector quantity, therefore it has direction which has an important role when discussing momentum.

Energy is a scalar - it has no direction. The energy is the dot product of the velocity with ...

#### Solution Summary

The solution discusses what it means for two particles ti have equal kinetic energies and equal momenta.

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