What is the instantaneous acceleration a of the particle at t = 45.0 s? 1 m/s^2

Question

What is the instantaneous acceleration a of the particle at t = 45.0 s? 1 m/s^2 0 20 m/s^2 -0 20 m/s^2 0.022 m/s^2 =0 022 m/s^2 Now that you have reviewed how variable as a function of time you can use the Now that you have reviewed how to plot variables as a function of time, you can use the same draw an acceleration vs. time graph that is, the graph of (instantaneous) acceleration as a function As usual in these types of graphs time t is plotted on the horizontal axis, while the vertical axis indicate acceleration a. Which of the graphs shown below is the correct acceleration vs. time plot for the motion describe previous parts?

Explanation / Answer

Part D

The slop of the graph is

m = (dealVx/dealt)

= (0-2)/(50-40)

= (-2/10)

= (-1/5)

= - 0.2 m/s

The slop of the gaph gives the instantaneous acceleration

Therefore the instantaneous acceleration is

a = -0.2 m/s

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