C6 - the same speed in outer space They hit each other and...

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C5: Introduction to Energy
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A 0.2 kg apple is dropped from rest 2 m from the ground. How fast is the apple going just before it hits the ground? How fast is the earth going toward the apple as a result of the gravitational attraction of the apple? Neglect air resistance.
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Concept Test A person throws three identical rocks off a cliff with the same initial speed v, but in different directions. Which ball hits the ground with the largest speed? Ignore air resistance. 1. A 2. B 3. C 4. They are the same 5. Need more information
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Two identical lumps of clay are initially moving toward each other with
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Unformatted text preview: the same speed in outer space. They hit each other and stick together. Is energy conserved in this process? Concept Test Two objects move toward each other as shown above. They may or may not have the same mass. Given only this information, which of the following Fnal states is incompatible with conservation of microscopic energy and momentum? The length of the arrows is proportional to the speed of each object. 5. All are compatible 6. All are incompatible 1. 2. 3. 4....
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This note was uploaded on 03/01/2012 for the course PHY 9HA taught by Professor Markusluty during the Fall '10 term at UC Davis.

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C6 - the same speed in outer space They hit each other and...

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