Below are shown a series of graphs associated with the motion of the mass and a series of physical quantities. The horizontal axis for every graph is time. The graph labeled (A) is a graph of the mass's position y (keep in mind that the positive direction is down, so the maximum y value corresponds to the lowest point of the oscillation). For each physical quantity identify which graph could represent that quantity for this situation (if appropriate numerical scales were used on each axis). If none are possible, answer None. You may use a graph more than once. (Note that t = 0 on the graphs corresponds to some in-between point of the oscillation rather than a maximum, minimum, or zero. This means that we began recording the data on the graphs after the mass had already started oscillating. There would be some phase constant ϕ0, but this is not an important detail.)
a. Velocity of the mass.
---Select--- A B C D E F None
b. Acceleration of the mass.
---Select--- A B C D E F None
c. Net force on the mass.
---Select--- A B C D E F None
d. Force exerted by the spring on the mass.
---Select--- A B C D E F None
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