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Physics, 31.07.2019 23:00 antcobra

Alight train made up of two cars is traveling at 90 km/h when the brakes are applied to both cars. know that car a has a mass of 30 mg and car b has a mass of 20 mg, and the braking force is 40 kn on each car.

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Alight train made up of two cars is traveling at 90 km/h when the brakes are applied to both cars. k...
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