Panic escape. Figure 2-22 shows a general situation in which Panic escape. Figure 2-22 shows a general situation in which a stream of people attempt to esca

Sketch v-versus-t curves for each of the following conditions:

Sketch v-versus-t curves for each of the following conditions:
(a) Acceleration is zero and constant while velocity is not zero.
(b) Acceleration is constant but not zero.
(c) Velocity and acceleration are both positive.
(d) Velocity and acceleration are both negative.
(e) Velocity is positive and acceleration is negative.
(f) Velocity is negative and acceleration is positive.
(g) Velocity is zero at a point but the acceleration is not zero.

 

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