What are the magnitude and the algebric sign

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An astronaut has left the International Space Station to testa new space scooter. Her partner measures the following velocity changes, each taking place in a 10-s interval. What are the magni- tude, the algebraic sign, and the direction of the average accelera- tion in each interval? 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 and at the end of theinterval she is moving toward the right at .

(b) At the beginning she is moving toward the left at and at the endshe is moving toward the left at

Reference no: EM131141748

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