3.) a characteristic of an elastic collision is that in addition to mementum bei

Question

3.) a characteristic of an elastic collision is that in addition to mementum being conserved within the system, kinetic energy is also conserved. Use the data from either the first or second scenario (data in picture) and compute the kinetic energy of the system before and after the collision. Is the kinetic energy conserved? 3.) a characteristic of an elastic collision is that in addition to mementum being conserved within the system, kinetic energy is also conserved. Use the data from either the first or second scenario (data in picture) and compute the kinetic energy of the system before and after the collision. Is the kinetic energy conserved?

Explanation / Answer

The kinetic energy is K = (1/2) m v^2, if v << c, so that special relativistic formula could not be used.

K_in = (1/2) m1 v1_in^2 + (1/2) m2 v2_in^2

K_fin = (1/2)m2 v2_fin^2 + (1/2) m2 v2_fin^2

Thus, you have to check if K_in = K_fin or not

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