Test: AP Physics B

1.

Two astronauts, Ann and Bob, conduct a collision experiment in a weightless, frictionless environment. Initially Ann moves to the right with a momentum of , and Bob is initially at rest. In the collision, the two astronauts push on each other so that Ann's final momentum is  to the left. What is Bob's final momentum?

 to the left

 to the right

 to the right

 to the right

 to the left

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