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A snow plough with a mass of m=7 metric tonnes (1 metric tonne=1,000kg) has an initial speed v₁ =12 m/s is clearing snow. The retarding force the snow produces on the snow plough satisfies the force- displacement relationship, Fsnow = 500+2000x³ where F snow is in Newtons and x is in metres. Each wheel (there are 4 of them) have a radius of 0.4m and a mass moment of inertia of 3 kgm². Assuming the wheels do not slip and friction can be ignored what is the speed of the snow plough after it travels a distance s=3m? Answers
Transcribed Image Text:A snow plough with a mass of m=7 metric tonnes (1 metric tonne=1,000kg) has an initial speed v₁ =12 m/s is clearing snow. The retarding force the snow produces on the snow plough satisfies the force- displacement relationship, Fsnow = 500+2000x³ where F snow is in Newtons and x is in metres. Each wheel (there are 4 of them) have a radius of 0.4m and a mass moment of inertia of 3 kgm². Assuming the wheels do not slip and friction can be ignored what is the speed of the snow plough after it travels a distance s=3m? Answers
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