A position-time graph for a particle moving along the x axis is shown in the fig

Question

A position-time graph for a particle moving along the x axis is shown in the figure. The divisions along the horizontal axis represent 0.25 s and the divisions along the vertical axis represent 3.0 m. Find the average velocity in the time interval t = 0.75 s to t = 2.00 s. The response you submitted has the wrong sign, m/s Determine the instantaneous velocity at t = 1.00 s (where the tangent line touches the curve) by measuring the slope of the tangent line shown in the graph, m/s At what value of t is the velocity zero? s

Explanation / Answer

Part A)

v = d/t

v = (6 - 24)/1.25

v = -14.4 m/s

Part B)

v = d/t

v = (0 - 39)/1.75

v = -22.3 m/s

Part C)

At 2 sec is when the velocity is zero.

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