What best explains the results of the experiment?
In a lab, two identical lab carts (m = 1.0 kg) travel toward
each other, each with a speed of 2 m/s. The cars collide,
and one cart moves to the right with a speed of 3 m/s
and the other moves left with a speed of 2 m/s.
O This experiment did not occur in a closed system.
This proves the conservation of momentum since
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O An additional mass was added to one cart, which
explains the increase in speed.
O The increase in speed was due to the kinetic energy
from one cart transferring to the other.
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