Monday
October 20, 2014

Homework Help: Physics

Posted by Mary Ann on Saturday, October 12, 2013 at 10:21am.

can someone help i'm stuck on two questions???

23. On a velocity-time graph, when is the object not moving?

when the slope is a straight line rising to the right

when the slope is a straight line falling to the right

when the slope is a line curving upward to the right

at the point in which the line crosses the x-axis

27. How do you find the instantaneous velocity on a position-time graph?

Find the slope of the tangent at any point.

Find the slope of the overall trend line.

Find the slope between any two points.<---- i think this one

Find the slope of only horizontal portions.<---- or this one

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