makakaimchady makakaimchady

14-12-2022
Physics

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A choo choo train has a mass of 5 x 10^6 kg. Its speed is 20 m/s. The emergency break has a net
braking force of 8.1 x 10^6 N. A) what is the speed 5s later? B) How far has it traveled in this time?

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