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In-Class Chapter 4 Part 1 PHY-131 A skateboarder travels on a horizontal surface with an initial velocity of 3.8 m/s toward the south and a constant acceleration of 2.2 m/s2 toward the east. Let the x direction be eastward and the y direction be northward, and let the skateboarder be at the origin att-0. (a) What are her x and y positions at t0.80 s? (b) What are her x and y velocity components at t-0.80 s?
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Answer #1

(a) x-position = 0.704m, y-position = -3.04m

(b) x-component of velocity = 1.76m/s

y-component of velocity = -3.8m/s

Since dhe skatabocrtder iundar unitom oelexction nem we w lt t is in the disecbon east ard )、 is the noth nil 3.8ms) oposNorth dcha) ( 31 CED CS) kinemahcs equai on kinumares eguaon デー V inihalレ 2 2. 2

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