7. po Which of the following osition vs. time graphs repests an object witdh 8.

Question

7. po Which of the following osition vs. time graphs repests an object witdh 8. (2 pts) Constant Velocity Graph: Sketch the position vs time raphs when an object is moving with constant megative velocity 9. (2 pts) Constant Acceleration Graph: Sketch the position vs. time graphs of an object moving with constant positive acceleration 10. (2 pts) An object dropped from a window of a tall building hits the ground in 12.0s. The height of the window above the ground is: A) 29.4 m B) 58.8m C) 118 m D) 353 m E) 706 m Solution

Explanation / Answer

7. Increasing velocity is caused due to the application of external force and hence giving an acceleration. In the given position-time curves, the slope represents the velocity.

Apart from the first figure, last three have constant velocity. Therefore, the first graph represents increasing velocity

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