Physics, 24.11.2020 08:00, anabelleacunamu

Superman stops a "speeding locomotive" of mass 8.0x103 kg in 4.0 seconds. If the train was originally moving at 40.m/s, a) what is the change in momentum?

b.) What is the magnitude of the force which Superman exerts on the train?

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Superman stops a "speeding locomotive" of mass 8.0x103 kg in 4.0 seconds. If the train was originall...