mass of 0.68 kg. (a) If the total momentum of the system is to be zero, what is the initial speed of Cart 2 in meters per second? m/s (b) Does it follow that the kinetic energy of the system is also zero since the momentum of the system is zero? O Yes O No (c) Determine the system's kinetic energy in joules in order to substantiate your answer to part (b).

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Chapter9: Linear Momentum And Collisions
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Two carts mounted on an air track are moving toward one another. Cart 1 has a speed of 1.2 m/s and a mass of 0.42 kg. Cart 2 has a
mass of 0.68 kg.
(a) If the total momentum of the system is to be zero, what is the initial speed of Cart 2 in meters per second?
m/s
(b) Does it follow that the kinetic energy of the system is also zero since the momentum of the system is zero?
O Yes
O No
(c) Determine the system's kinetic energy in joules in order to substantiate your answer to part (b).
Transcribed Image Text:Two carts mounted on an air track are moving toward one another. Cart 1 has a speed of 1.2 m/s and a mass of 0.42 kg. Cart 2 has a mass of 0.68 kg. (a) If the total momentum of the system is to be zero, what is the initial speed of Cart 2 in meters per second? m/s (b) Does it follow that the kinetic energy of the system is also zero since the momentum of the system is zero? O Yes O No (c) Determine the system's kinetic energy in joules in order to substantiate your answer to part (b).
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