y o? m 2m (B Three people standing on a frictionless surface are initially at rest. After pushing off of each other, person A (mass = m) moves off with a speed of v at an angle of 0 degrees from the positive x direction. Person B (mass = 2m ) moves off with the same speed v in the negative y direction. The mass of skater C is not known. Question: Which expression gives the final momentum of person C? O-mv cos 0 + (2mv – mv sin 0) ŷ mv sin 0 î + (-2mv + mv sin 0) ŷ -mv cos 0 î + (2mv + mv sin 0) ŷ O mv cos 0 î + (-2mv + mv sin 0) ŷ O-mv sin 0 î + (2mv – mv cos 0) ŷ The mass of skater C needs to be known to describe their final momentum

College Physics
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Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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m
2m (В
Three people standing on a frictionless surface are initially at rest. After pushing off
of each other, person A (mass = m) moves off with a speed of v at an angle of 0
degrees from the positive x direction. Person B (mass = 2m ) moves off with the same
speed v in the negative y direction. The mass of skater C is not known.
Question: Which expression gives the final momentum of person C?
-mv cos 0 î + (2mv – mv sin 0) ŷ
mv sin 0 î + (-2mv + mv sin 0) ŷ
-mv cos 0 î + (2mv + mv sin 0) ŷ
O mv cos 0 î + (-2mv + mv sin 0) ŷ
-mv sin 0 x + (2mv – mv cos 0) ŷ
The mass of skater C needs to be known to describe their final momentum
Transcribed Image Text:m 2m (В Three people standing on a frictionless surface are initially at rest. After pushing off of each other, person A (mass = m) moves off with a speed of v at an angle of 0 degrees from the positive x direction. Person B (mass = 2m ) moves off with the same speed v in the negative y direction. The mass of skater C is not known. Question: Which expression gives the final momentum of person C? -mv cos 0 î + (2mv – mv sin 0) ŷ mv sin 0 î + (-2mv + mv sin 0) ŷ -mv cos 0 î + (2mv + mv sin 0) ŷ O mv cos 0 î + (-2mv + mv sin 0) ŷ -mv sin 0 x + (2mv – mv cos 0) ŷ The mass of skater C needs to be known to describe their final momentum
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