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1) It is observed that snow lies stably on roofs with a slope of less than 24°. but that It slides off roofs with a greater slope. Skiers, on the other hand. slide on a snow-covered mountainside with a slope of only 2°. Why is this?
2) A person of weight 100 kg standing on skis 2 m long and 0.10 m wide slides on the 2° mountain slope. at 0°C. Calculate the loss of potential energy when the ski slides a distance equal to its own length. Hence calculate the average thickness of the water film beneath each ski. (The latent heat of fusion of ice is 330 MJ m'3.)
3) Give examples, from your own experience, of situations where friction is (a) desirable, and (b) undesirable.
4) Give examples, from your own experience, of situations where wear is (a) desirable. and (b) undesirable
Why do conflicts arise. (three specific words or phrases). List four of the suggested tips for resolving conflict. List three of the attributes of constructive dialogue in the order you think is the most important. Briefly explain your rankings.
Formulate a network optimization problem for transferring as much water as possible from the water depot to the fire district and how would you modify the above network and your model in part a so that you still only have flow balance and arc capa..
Using the supplied 3D model of the commercial vehicle available on Moodle and solidworks flowsimulation conduct a CFD analysis to determine the vehicles aerodynamic drag coefficient.
Convert the second order ordinary differential equation (1) into a system of two first order ordinary differential equations.
Assignment is about design a building which is located in Tasmania- Describe the renewable energy resources that might be available in the geographic region of interest. How would you harness the energy?
Discuss the primary need or needs that were being addressed in each period. Discuss the evolution and codification of the engineering design process over the course of these four periods. What kind of societal entities became involved in the proces..
Run the simulation for a single replication of 2000 minutes and observe the average and maximum time in system for each part type separately.
a large electronics manufacturing company is considering starting a new production line to replace an existing old
Identify three (3) scenes from the film that support your thesis statement. Briefly explain.
power electronics involves the use of semiconductor devices to control a range of applications in rectification dc and
What is the definetion of hydrophones and how it works? What is the definetion of MEMS and how it works?
Waste Management - Express the problem on a network by drawing nodes, arcs, determining node values, arc costs, arc capacities if any, such that no node has a capacity restriction associated with it and no node has a cost for using the node
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