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PH 2004 Fall Quizzes(2)

# PH 2004 Fall Quizzes(2) - Physics Honors Chapter 2 Quiz 1...

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Physics Honors Chapter 2 Quiz 1. Which of the following can never be a negative quantity? A. Average velocity B. Displacement C.* Instantaneous speed D. gravitational acceleration E. not covered in the assigned reading. 2. Can an object's velocity change direction when its acceleration is constant? A. No, this is not possible because it is always speeding up. B. No, this is not possible because it is always speeding up or always slowing down, but it can never turn around. C.* Yes, this is possible, and a rock thrown straight up is an example. D. Yes, this is possible, and a car that starts from rest, speeds up, slows to a stop, and then backs up is an example. E. Not covered in the assigned reading 3. Can an object have increasing speed while its acceleration is decreasing? 4. Suppose that an object is moving with constant acceleration. Which of the following is an accurate statement concerning its motion? 5. A ball is thrown straight up. What is its instantaneous acceleration just before it reaches its highest point? 6. Objects A and B both start at rest. They both accelerate at the same rate. However, object A accelerates for twice the time as object B. After the acceleration, object A is moving __________ as object B. A. at the same speed B.* twice as fast C. three times as fast D. four times as fast E. Not covered in the assigned reading. 7. Objects A and B both start from rest. They both accelerate at the same rate. However, object A accelerates for twice the time as object B. During the times that the objects are being accelerated, compare the distance traveled by object A to that of object B. After the acceleration, object A has traveled __________ as object B. A. the same distance B. twice as far C. three times as far D.* four times as far E. Not covered in the assigned reading.

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PH 2004 Fall Quizzes(2) - Physics Honors Chapter 2 Quiz 1...

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