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Physics, 22.06.2019 10:30
Awoman holds a book by placing it between her hands such that she presses at right angles to the front and back covers. the book has a mass of m = 1.8 kg and the coefficient of static friction between her hand and the book is μs = 0.67. no attempt 50% part (a) what is the weight of the book, fgb in newtons?
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Which levels of government establish and implement educational requirements for minors
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An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
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Physics, 22.06.2019 19:00
The law of reflection states that the angle of reflection is equal to the angle of
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An electron is accelerated through a potential difference of 2.5 x 10^4 volts in the cathode ray tub...
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