Coefficient of kinetic friction of skis on snow
Sam, whose mass is 78.0 kg, takes off down a 52.0 m high, 8.00^circ slope on his jet-powered skis. The skis have a thrust of 220 N. Sam's speed at the bottom is 45.0 {rm m/s}. What is the coefficient of kinetic friction of his skis on snow?
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How much heat is required to melt 11 percent of a 3.20×105 metric-ton iceberg? One metric ton is equal to 103 kg. Assume that the iceberg is at 0°C.
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After viewing Nutrition with John Stossel, how do you think understanding how to read a food label might benefit you? How might you utilize this information to improve your eating habits?
Considering the benefits of professional learning communities, how can you implement these in your organization or how will you implement them in a future position that you will hold within an organization?
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