Physics, 16.11.2019 04:31 tiwaribianca475
Drew bill and kieth push horizontally on chuck (100kg). drew and bill each push to the right with force 2f and keith pushes to the left with a force of f. chuck moves and accelerates to the right at 2 m/s^2 across the floor where coefficient of friction is 0.5. what is the magnitude of keith’s push?
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Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.
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Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.
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If we relied solely on the nonrenewable resources found in the u.s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal
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Antireflective coatings on solar cells are often made by applying a thin film of silicon nitride (sinx), which has an index of refractive of 1.2, on the top of the silicon solar cell, which has a refractive index of about 3.5. however, the sun emits radiation of various wavelengths which the solar cell absorbs, and the antireflective coating can only absolutely minimize the reflection of one of these wavelengths. the coating thickness is chosen to reduce the reflection of green/yellow light (e = 2.2 ev), which is the most intense color in the solar spectrum (shown below). which of the following coatings would minimize reflection of green/yellow light? the answer is 820 nm how? what is the angular width of the central maximum of an electron traveling at 2 x 108 m/s going through a single slit of width 1 mm.
Answers: 1
Drew bill and kieth push horizontally on chuck (100kg). drew and bill each push to the right with fo...
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