Which statement provides the best definition of a closed system
o A system in which no net external forces act upon the system
O A system in which no external forces act on the system
o A system in which all acting forces are external to the system
O A system in which the objects exert no force upon each other
Answers: 3
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List one type of erosion and describe how it happens?
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Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in
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The friction of the water on a boat produces an acceleration of -10. m/s2. if the boat is traveling at 30. m/s and the motor is shut off, how long it take the boat to slow down to 5.0 m/s?
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Four friends, a, b, c, and d are standing varying distances away from a speaker which is producing sound waves.
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Which statement provides the best definition of a closed system
o A system in which no net externa...
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