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Posted by on Tuesday, October 13, 2009 at 11:40pm.

when you are finding displacement from a velocity graph

and it says find the displacement at t=3

do you find the area from the points 0 --->3 to the x axis from 0--->3 or no?

  • Physics - , Wednesday, October 14, 2009 at 7:57am

    The area below a velocity-time graph between two instants of time t is the distance travelled. The signed area below the same graph is the displacement.

    Therefore the period 0 →3 sec. is correct if this is what your question or teacher wants. If the question asks for the distance travelled between time t=2 and t=3, then it would be the area between those two times.

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