A hot air balloon has a lifting force of 1.23 kN. If a single rope is used to hold it in a breeze and it makes an angle of 15 degrees with the vertical, what is the tension in the rope?
What will be an ideal response?
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The term ____ refers to the process of forming a molten weld pool and manipulating the GTA welding torch so that the molten weld pool is worked along the plate surface.
A. pushing a puddle B. pushing an arc C. starting a puddle D. starting an arc
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Kerfing is used to _____.
a. allow the board to bend b. allow one board to be placed over another c. create air pockets to trap thermal energy d. lighten the board before it is mounted
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Find i(t) for t>0 for the circuit in Fig. 16.37. Assume is(t) = [6u(t) + 3?(t)] mA.
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A direct-current machine can be used as either a motor or generator.
Answer the following statement true (T) or false (F)
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