Select the graphs that best describe the motion of a point particle. The horizon

Question

Select the graphs that best describe the motion of a point particle. The horizontal axis in each diagram is time: the vertical axis can be position, velocity, or acceleration. Assume that curves B. D. F are quadratic in shape. The particle moves in the +x direction at constant speed for all t. Position vs. time Velocity vs. time Acceleration vs. time At t = 0, the particle is at rest at the origin. For t > 0, it has a constant positive acceleration. Position vs. time Velocity vs. time Acceleration vs. time At t = 0, the particle is at the origin with a velocity in the +x direction. For t > 0, it has a constant negative acceleration. Position vs. time Velocity vs. time Acceleration vs. time The particle moves in the -x direction at constant speed for all t. Position vs. time Velocity vs. time Acceleration vs. time At t = 0, the particle is at rest at x > 0. For t > 0. it has a constant negative acceleration. Position vs. time Velocity vs. time Acceleration vs. time

Explanation / Answer

1) a. E b. C c. A 2) a. F b. E c. C 3)a.B b. I c. H 4) a. G b. H c.A 5)a.D b. G c.H

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