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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
Installation of FM radio, At this time working at (xxxplace) I did budget requisition for equipment needed for radio installation.
Your task will be to analyse a proposed redesign of the de Havilland Vampire tail booms (not to be confused with a boom in your hand calculations) in an all metal configuration
What is meant by point-of-operation guards and What are the three types of point of operation guards? What are their advantages and limitations and Briefly describe four requirements that all safeguards should have.
reading assignments - read and have a good understanding of mil-std-499 and mil-std-499a. be sure that you have
If a comparison was done against the ten year mean UCA COB sophomore ACT score of 22, what hypothesis would you be testing?
a large electronics manufacturing company is considering starting a new production line to replace an existing old
Write a Literature Review on the Kerr Effect.
How would you develop a project appraisal and project development Statement of Work process which would enable you to confidently 'cover off' all the factors which could impact the economic value of your proposal.
Formulate a linear programming model for this problem. Define decision variables, and then define your constraints and objective function accordingly.
How to build a earthquake proof building
Write a program to turn LED4 and LED1 ON. LED2 and LED3 must be OFF. Single step the code. After executing the line that sends the pattern to PTT, cut and paste the Memory Window showing the value of PTT
Explain how one heat treatment process and two other treatment processes affect the structure, properties and behaviour of the parent material
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