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A 2.2 kg rock initially at rest loses 412 J of potential energy while falling to the ground. Assume that air resistance is
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2. asked by Noah
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Use the table of data for two falling rocks to answer the questions.Mass (kg) : rock 1: 2.5. Rock 2: 25. Height of fall (m) :
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2. 130 views
Which of the following best describes abrasion? (1 point) Responses The falling of sheets off the top layer of rock. The falling
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bob drop a rock from a height of 4.5 m. (the acceleration due to gravity is 9.8 m/s^2) 1.at s the initial speed of the rock 2.
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2. asked by Ash
3. 522 views
A rock is thrown upwards from the top of a 100m cliff, on the way down the rock misses the edge of the cliff and continues
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2. asked by dhkk
3. 561 views
Which scenario describes an object experiencing zero net force? (1 point)Responses A plane landing on a runway. A plane landing
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2. 36 views
A rock is falling downwards at 12.0 m/s. After 2.0 seconds it is falling at downwards at 31.6 m/s. What was its acceleration?
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A falling rock has a speed of 1.5 m/s. What is the velocity of the rock when it hits the ground 5 seconds later? Give the
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2. asked by Bob
3. 416 views
What is the mass of a falling rock accelerating at 9.8 m/s² if the rock produces 147 N of force?
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2. asked by b
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The total energy of a 2.00 kg falling rock is 5000 J. If its potentialenergy is 1975 J, the kinetic energy of the rock is ____
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2. asked by courtney
3. 1,144 views