# Physics

19. Two people of unequal mass are initially standing still on the ice with negligible friction. They then simultaneously push each other horizontally. Afterward, which of the following is true? *
-The center of mass of the two person system moves in the direction of the less massive person.
-The momenta of the people are of equal magnitude.
-The less massive person has a smaller initial acceleration than the more massive person.
-The kinetic energies of the two people are equal.
-The speeds of the two people are equal.

1. 👍
2. 👎
3. 👁
4. ℹ️
5. 🚩
1. the momenta is the same in both direction. Newton's third law.

1. 👍
2. 👎
3. ℹ️
4. 🚩
👤
bobpursley

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