A car travels a certain distance along a straight road(in the direction). The di

Question

A car travels a certain distance along a straight road(in the direction). The distance the car travels as a function of time is shown in the figure below. When the car changes speed it does so uniformly. Select the appropriate choice for each statement. At 50sec, the speed is as high as it gets. The x-acceleration is .... zero at 58sec. The speed at 10sec is .... the speed at 79sec. The x-acceleration is ....zero at 4sec. the speed is .... zero at 23sec. The acceleration magnitude at 15sec is....the acceleration magnitude at 38sec.

Explanation / Answer

the speed is zero at 23 second since slope is 0

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