Advanced Placement (AP), 05.01.2021 01:00 aly3048
Two air track carts move toward one another on an air track. Cart 1 has a mass of 0.45 kg and a speed of 1.1 m/s. Cart 2 has a mass
of 0.65 kg
(a) What speed must cart 2 have if the total momentum of the system is to be zero?
(b) Since the momentum of the system is zero, does it follow that the kinetic energy of the system is also zero?
(c) Verify your answer to part (b) by calculating the system's kinetic energy
Answers: 3
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Based on the graph, how is coal consumption likely to affect future generations? a. the higher our current rate of consumption, the less coal will be available in the future. b. current rates of consumption are irrelevant because new coal will form in the future. c. the lower our current rate of consumption, the more slowly coal will be replenished for the future. d. regardless of current rates of consumption, coal will always be available.
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Two air track carts move toward one another on an air track. Cart 1 has a mass of 0.45 kg and a spee...
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