Question: A particles trajectory is described by x = (1/2t 3 2t 2 )m and y = (1/2 t 2 2t) m, where t

A particle’s trajectory is described by x = (1/2t3 – 2t2)m and y = (1/2 t2 – 2t) m, where t is in s.

a. What are the particle’s position and speed at t = 0 s and t = 4 s?

b. What is the particle’s direction of motion, measured as an angle from the x-axis, at t = 0 s and t = 4 s?

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