HW01 - 2 to t 3 ? c) What is Alexs average velocity vector...

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Jim Guinn’s PHYS2211 Assignment #1 1. Alex decides to go out for a walk. At time t 1 = 3.00s he is at position x 1 = 10.0m , at time t 2 = 10.0s he is at x 2 = 25.0m , and at time t 3 = 20.0s he is at x 3 = 17.0m . (Remember that vectors require a unit vector to describe the direction.) a) What is Alex’s displacement vector from time t 1 to t 2 ? b) What is Alex’s displacement vector from time t 2 to t 3 ? c) What is Alex’s displacement vector from time t 1 to t 3 ? 2. Consider the values given for Alex’s walk in Problem 1. a) What is Alex’s average velocity vector from time t 1 to t 2 ? b) What is Alex’s average velocity vector from time t
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Unformatted text preview: 2 to t 3 ? c) What is Alexs average velocity vector from time t 1 to t 3 ? 3. After seeing Alex out walking, Phalguna decides to go out for a run. At time t 4 = 50.0s Phalguna is running with a velocity vector of v 4 = 10.0m/s i , at time t 5 = 60.0s , v 5 = 20.0m/s i , and at time t 6 = 80.0s , v 6 = -15.0m/s i . a) What is Phalgunas average acceleration vector from time t 4 to t 5 ? b) What is Phalgunas average acceleration vector from time t 5 to t 6 ? c) What is Phalgunas average acceleration vector from time t 4 to t 6 ?...
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