If the displacement of an object is given in SI units by %u0394 x = - 3 t + 4 t

Question

If the displacement of an object is given in SI units by %u0394x = -3 t + 4 t 2, at t = 2 s its velocity and acceleration are, respectively: positive, negative. negative, positive. positive, positive. negative, negative. If the displacement of an object is given in SI units by %u0394x = -3 t + 4 t 2, at t = 2 s its velocity and acceleration are, respectively: positive, negative. negative, positive. positive, positive. negative, negative. positive, negative. positive, negative. negative, positive. negative, positive. negative, positive. positive, positive. positive, positive. positive, positive. negative, negative. negative, negative. negative, negative.

Explanation / Answer

positive , positive

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