In the graph, why is the velocity positive at time 0.0 s?

The mass is moving downward and at the origin at 0.0 s.

The mass is moving upward and at the origin at 0.0 s.

The mass is moving upward but not at the origin at 0.0 s.

The mass is moving downward but not at the origin at 0.0 s.

Question

In the graph, why is the velocity positive at time 0.0 s?

       The mass is moving downward and at the origin at 0.0 s.

       The mass is moving upward and at the origin at 0.0 s.

       The mass is moving upward but not at the origin at 0.0 s.

       The mass is moving downward but not at the origin at 0.0 s.

anonymous · Answer

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anonymous · Answer

Apparently it was B...no one was able to help and since I didn't understand, I flunked the quiz.