Physics, 06.11.2019 06:31 Fangflora3
A50.0-kg box rests on a horizontal surface. the coefficient of static friction between the box and the surface is 0.300 and the coefficient of kinetic friction is 0.200. what is the friction force on the box if (a) a horizontal 140-n push is applied to it?
Answers: 2
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Two identical 82 mg dust particles very far apart (pee 0) are moving directly toward each other at a speed of 3698 m/s. the charge on each is-719 ? c. determine how close they will get to each other. let k = 9x109 n-m2/c2 & ignore gravity.
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Physics, 21.06.2019 19:30
Describe the path of a ray that approaches a mirror parallel to the principal axis.
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Which of the following is the result of the nuclear weak force? the instability of large nuclei the repelling force between positively charged protons the structure of the atom certain types of nuclear decay
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An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40Β°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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A50.0-kg box rests on a horizontal surface. the coefficient of static friction between the box and t...
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