Problem 1. A diving board is made of aircraft aluminum alloy (Young's Modulus is 69 GPa, density of aluminum alloy 2700\text{kg/}{{\text{m}}^{\text{3} }}2700kg/m 3 ) with the dimension of 16 feet long, 20 inches wide, and 1 5/8 inch high. The fulcrum point is located at 8 feet from the tip. 1) Find the equation of motion of the system. Hint: treat the diving board to be a cantilever beam clamped at the fulcrum point. State the assumption(s) used to derive the solution, and discuss if the assumption is valid. What error results from the assumption(s) made
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Physics, 21.06.2019 15:30
The process in which the nucleus of an atom splits into two lighter atoms, releasing a large amount of energy is nuclear
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Physics, 22.06.2019 12:00
You have a resistor and a capacitor of unknown values. first, you charge the capacitor and discharge it through the resistor. by monitoring the capacitor voltage on an oscilloscope, you see that the voltage decays to half its initial value in 2.70 miss . you then use the resistor and capacitor to make a low-pass filter. what is the crossover frequency fc?
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Physics, 22.06.2019 18:50
8.29 two streams containing pyridine and acetic acid at 25°c are mixed and fed into a heat exchanger. due to the heat-of-mixing effect, it is desired to reduce the temperature after mixing to 25°c using a stream of chilled ethylene glycol as indicated in the diagram. calculate the mass flow rate of ethylene glycol needed. the heat capacity of ethylene glycol at these conditions is approximately 2.8 kj/(kg k), and the enthalpy change of mixing (δmixh) is given below.
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Problem 1. A diving board is made of aircraft aluminum alloy (Young's Modulus is 69 GPa, density of...
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