E1t9 Retake Preap 2016
5 Questions
| Attempts: 74
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Which would hit the ground first if dropped from the same height in a vacuuma feather or a metal bolt?
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A. the feather
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B. the metal bolt
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C. They would hit the ground at the same time.
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D. They would be suspended in a vacuum.
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About This Quiz
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- 2.
Objects that are thrown up into the sky move
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A. faster and faster.
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B. slower and slower
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C. at a constant velocity.
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D. slower then faster.
Correct Answer
A. B. slower and slower -
- 3.
A ball is thrown upwards and caught when it comes back down. In the absence of air resistance, the speed of the ball when caught would be
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Less than the speed it had when thrown upwards.
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More than the speed it had when thrown upwards.
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The same as the speed it had when thrown upwards.
Correct Answer
A. The same as the speed it had when thrown upwards. -
- 4.
As an object falls freely in a vacuum, its
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Velocity increases.
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Acceleration increases.
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Both A and B.
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None of the above.
Correct Answer
A. Velocity increases. -
- 5.
A ball tossed vertically upward rises, reaches its highest point, and then falls back to its starting point. During this time the acceleration of the ball is always
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In the direction of motion.
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Opposite its velocity.
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Directed downward.
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Directed upward.
Correct Answer
A. Directed downward. -
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Mar 16, 2022Quiz Edited by
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Aug 25, 2015Quiz Created by
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