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Some kids have problems coping with online school because it requires a lot of self-starting

A trains consists of 20 cars, each with a mass of 7.4 X 103 kg. The train accelerates at a rate of 7.9 X 10-2 m/sec2. (You may ignore any minor effects of friction in this problem.) a) What is magnitude of the force that engine must pull forward on the 1st car? b) The train has picked up...