A car travels a certain distance along a straight road (in the +x direction). Th

Question

A car travels a certain distance along a straight road (in the +x direction). The distance the car travels as a function of time is shown in the figure above. When the car changes speed it does so uniformly. Select the appropriate choice for each statement.

The speed is ..... zero at 29 sec.
The acceleration magnitude at 36 sec is ..... the acceleration magnitude at 15 sec.
The x-acceleration is ..... zero at 79 sec .
At 70 sec, the speed is as high as it gets.
The x-acceleration is ..... zero at 58 sec.
The speed at 70 sec is ..... the speed at 48 sec.

the answers are true, false, greater than, equal too, less than.

A car travels a certain distance along a straight road (in the +x direction). The distance the car travels as a function of time is shown in the figure above. When the car changes speed it does so uniformly. Select the appropriate choice for each statement. The speed is ..... zero at 29 sec. The acceleration magnitude at 36 sec is ..... the acceleration magnitude at 15 sec. The x-acceleration is ..... zero at 79 sec . At 70 sec, the speed is as high as it gets. The x-acceleration is ..... zero at 58 sec. The speed at 70 sec is ..... the speed at 48 sec. the answers are true, false, greater than, equal too, less than.

Explanation / Answer

equal too greater than greater than false greater than less than

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