Posted by **Liz** on Monday, September 24, 2012 at 10:51pm.

When a baseball is tossed directly upward, what is the slope of a plot of its acceleration versus time during the upward flight?

plot has constant positive slope

plot has constant negative slope

plot has zero slope

I think it is zero slope

- Physics -
**Steve**, Tuesday, September 25, 2012 at 10:13am
no, the acceleration is a constant: -9.8m/s^2 or -32ft/s^2, due to gravity

- Physics -
**Liz**, Wednesday, September 26, 2012 at 2:11am
If accerlation is constant, then that would show a straight line on the graph, correct? So that line has a slope=0.

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