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32. Two oxygen molecules in air are moving toward a head-on collision against each
other. Before collision molecule A is moving to the right with a velocity of 200 m/s and
molecule B is moving to the I eft with a velocity of 1300 m/s. Find the velocity of B after
collision if A bounces back with velocity of 1300 m/s.
a. 100 m/s
b. 150 m/s
c. 200 m/s
d. 250 m/s
a
d

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