Taking north to be the positive y direction and east to be the positive x direction, a particle's position is given byr(t) = (20.2m/s)t^i+(5.15 m/s2)t2^jAt what time, in seconds, is the particle traveling exactly northeast?
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Taking north to be the positive y direction and east to be the positive x direction, a particle's position is given by
r(t) = (20.2m/s)t^i+(5.15 m/s2)t2^j
At what time, in seconds, is the particle traveling exactly northeast?
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