A particle moves in a straight line with an initial velocity...

A particle moves in a straight line with an initial velocity of 14 m/s and constant acceleration of 14 m/s2. (Assume the particle is traveling in the positive direction. Indicate the directions with the signs of your answers.) (a) What is its displacement (in m) at t = 8 s? m (b) What is its velocity (in m/s) at this same time? m/s

A particle moves along one dimension with a constant acceleration of 3.25 m/s^2 over a time interval. At the end of this interval, it has reached a velocity of 14.0 m/s. (a) If its original velocity is 7.00 m/s, what is its displacement (in m) during the time interval? (b) What is the distance it travels (in m) during this interval? (c) A second particle moves in one dimension, also with a constant acceleration of 3.25 m/s^2, but over some different time interval. Like the first particle, its velocity at the end of the interval is 14.0 m/s, but its initial velocity is -7.00 m/s. What is the displacement (in m) of the second particle over this interval? (d) What is the total distance traveled (in m) by the second particle in part (c), during the interval in part (c)?

Penny R.

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