car travels along a straight road in the +x direction. When the car changes speed, it does so iniformly. The position of

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Car Travels Along A Straight Road In The X Direction When The Car Changes Speed It Does So Iniformly The Position Of 1 (539.74 KiB) Viewed 34 times

car travels along a straight road in the +x direction. When the car changes speed, it does so iniformly. The position of the car as a function of time is shown in the figure below. 50 Position on x-axis (m) 0 1 2 3 4 7 8 9 10 11 5 6 Time (s) Select the appropriate choice for each statement. an - The magnitude of the acceleration at Pis... that at N. equal to the speed at T is ... that at . greater than the x-acceleration at Ris ... 0. less than the speed at Ris ... that at N. greater than the speed at U is ... that at N. equal to the magnitude of the acceleration at Q is ... that at R. By extrapolating the straight sections of the graph, you can estimate the time during which the speed is changing. This, with the change in speed, lets you estimate the magnitude of the acceleration