Assume no air friction and

  1. assume that a 50 kg skater on level ice has built up her speed to 30km/hr.how far will she coast before the sliding friction
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    2. chingtham asked by chingtham
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  2. With friction turned on, set the initial velocity of the box to 1.75 m/s, the coefficient of friction to 0.60, and the mass to
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    2. Anonymous asked by Anonymous
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  3. What is the minimum work needed to push a 900 kg car 460 m up along a 17.5° incline?(a) Ignore friction. (b) Assume the
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    2. greg asked by greg
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  4. What is the minimum work needed to push a 1075 kg car 230 m up along a 17.5° incline?(a) Ignore friction. (b) Assume the
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    2. Hope asked by Hope
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  5. What is the minimum work needed to push a 1050 kg car 460 m up along a 17.5° incline?(a) Ignore friction (b) Assume the
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    2. Jen asked by Jen
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  6. What is the minimum work needed to push a 900 kg car 890 m up along a 7.5 degree incline?(a) ignore friction (b) Assume the
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    2. amy asked by amy
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  7. A car engine has 90 kW and an efficiency of 12 percent. Let's assume a simple model of air friction, Fair=Kv2 , with K=027kgm
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    2. Layla asked by Layla
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  8. Consider again the airfoil of the previous question.What is the skin friction coefficient if we assume that the boundary layer
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  9. A car of mass m is going around a circular turn of radius R, which is banked at an angle β with respect to the ground. Assume
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    2. simon asked by simon
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  10. What is the minimum work needed to push a 800 kg car 860 m up along a 9.0 degree incline? Ignore friction. Then assume the
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    2. Anonymous asked by Anonymous
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