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OLLEGE Basic Physics PHY 114-W-01 Department of Physical and Computer Sciences Medgar Evens College Quiz 3 Name: Directions: Write out your legible answers in the space provided. If a car decelerated at a constant rate until it stopped such that it travelod 400 m in 5 s, what was the initial velocity of the car? 1. If an object is moving with a constant acceleration such that its average velocity is 6m/s in 4s with an initial veocity of 2 m/s, what is the acceleration of the car? 2. 3. If a ball is dropped from a 100 m building, how long will it take to hit the ground?
A ball is shot into the air with an initial velocity of 40m/s, what is be the maximum height reached by the ball? 4. 5. Extra Credit: Draw the velocity vs time graph from the position vs time graph of a free falling object Position vs Time Velocity vs Time r(m) m/s) 50 30 10 -102345679 10 11 12 13 14 1 23 456789 10 11 12 13 14
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Answer #1

느 final Veloci+4=o -hme 5 see. 2 of Mo-Hoi, 32 mls isx-32 Time = 4 sea displace neudsYav 4- 012. 24-mk

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