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

Question

position-time graph for a particle moving along the x axis is shown in the figure below x (m) 12 10 6 t (s) 0 1 234 5 6 (a) Find the average velocity in the time interval t- 2.00 s to t3.50 s.(Indicate the direction with the sign of your answe 2.67 m/s (b) Determine the instantaneous velocity at t-2.00 s by measuring the slope of the tangent line shown in the graph. (Note t 2.00 s is where the tangent line touches the curve. Indicate the direction with the sign of your answer.) Your response differs from the correct answer by more than 10%. Double check your calculations. m/s

Explanation / Answer

b)

Here instantaneous velocity is equal to slope of the tangent line of the curve

(0 s ,13 m) and (3.5 s ,0)

V=m =(0-13)/(3.5-0)

V=-3.7143 m/s

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