The baggage truck A tows cart B, C and D. For a short time the driving frictional force developed at the wheels of the truck is FA=80 t+100 where t is in seconds and F is Newton. If the truck starts from rest, determine its speed in 4 seconds. Find the tension force Tec and Tco- A mA В mg c mc mp TBC Tco Driving Friction Force F= 80 t? +300

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