A particle moves along the x axis. Its position is given by the equation x =...

Question

Question

A particle moves along the x axis. Its position is given by the equation

x = 1.8 + 2.5t − 3.8t²

with x in meters and t in seconds.

(a) Determine its position when it changes direction.

(b) Determine its velocity when it returns to the position it had at t = 0? (Indicate the direction of the velocity with the sign of your answer.)

I have a) as 2.21m, i am having issues solving part (b).

science physics

Answer 1

Answer #1

Answer 2

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