1. a graph position vs time presented in Fig. 1 (described below . Define the mo
ID: 3893162 • Letter: 1
Question
1.
a graph position vs time presented in Fig. 1 (described below .
Define the motion of the cart presented by each part of the graph.
AB - _____________________________________
BC - ______________________________________
CD - ______________________________________
DE - ______________________________________
Sketch the velocity vs time graph for the cart whose motion is presented by the position vs time graph in Fig.1 .
Description of figure 1.: x axis is time, y axis is position. AB = straight horizontal line. BC diagonally upwards to the right, CD = diagonally downwards to the right, DE = straight horizontal and higher than AB.
Explanation / Answer
x-axis : time , y-axis : velocity
AB= lie on x-axis for same time period as in displacement-time graph (zero velocity)
BC=horizontal to x-axis at a distance of the value of slope (positive y-axis) obtained from disp-time graph for same time period (velocity +ve value)
CD=horizontal to x-axis but in -ve y-axis at a distance of the value of slope obtained from d- t graph for same time period (velocity = -ve value)
DE= (zero velocity) lie on X-axis for the same time period as in d-t graph
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