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2. An astronaut left the International Space Station to test a new space scooter. Her partner measures the following velocity changes, each taking place on a 10-second interval. What is the average acceleration in each interval (magnitude, algebraic sign, and direction)? Assume that the positive direction is to the right. (a) At the beginning of the interval, the astronaut is moving toward the right along the x-axis at 15.0m/s and, at the end of the interval, she is moving toward the right at 5.0m/s. (b) At the beginning, she is moving toward the left at 5.0m/s and, at the end, she is moving toward the left at 15.0m/s.
Transcribed Image Text:2. An astronaut left the International Space Station to test a new space scooter. Her partner measures the following velocity changes, each taking place on a 10-second interval. What is the average acceleration in each interval (magnitude, algebraic sign, and direction)? Assume that the positive direction is to the right. (a) At the beginning of the interval, the astronaut is moving toward the right along the x-axis at 15.0m/s and, at the end of the interval, she is moving toward the right at 5.0m/s. (b) At the beginning, she is moving toward the left at 5.0m/s and, at the end, she is moving toward the left at 15.0m/s.
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