Susan is running to the right, in the +x-direction, at 2 m/s. A bird flies past her, traveling to the left at 10 m/s. What is the bird's velocity in Susan's reference frame? 12 m/s 10 m/s 8 m/s -8 m/s -10 m/s -12 m/s

Physics for Scientists and Engineers: Foundations and Connections
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Chapter39: Relativity
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Susan is running to the right, in the +x-direction, at 2 m/s. A bird flies past her, traveling to the left at 10 m/s. What is the bird's velocity in Susan's reference frame?
Susan is running to the right, in the +x-direction, at 2 m/s. A bird flies past her, traveling to the left at 10 m/s. What is the bird's velocity in Susan's reference frame?
12 m/s
10 m/s
8 m/s
-8 m/s
-10 m/s
-12 m/s
Expert Solution
Step 1

Since Susan is moving in +x direction, she has positive velocity. The bird on the hand, is moving in -x direction, hence it has negative velocity.

Susan's velocity, vs = 2 m/sBird's velocity, vb = -10 m/s

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