Physics, 07.10.2020 14:01 thebrain1345
Write a short paragraph comparing the similarities and differences of the universal forces. Discuss
the distances over which the forces act and whether each force attracts, repels, or can do either.
You may comment that the electromagnetic force is both attractive and repulsive while the other
three forces are only attractive. You may also comment that magnetic and gravitational forces act
over all distances while the strong and weak nuclear forces only act over short distances.
Answers: 2
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Why is it important always to use horizontal bars in unit fractions when performing unit conversions?
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Inside of a windmill or a dam is a that is used to transform one type of energy into electrical energy. a. motor b. generator c. transformer d. power pack
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Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.15 times a second. a tack is stuck in the tire at a distance of 0.373 m from the rotation axis. noting that for every rotation the tack travels one circumference (a) find the tack's tangential speed. (b) what is the tacks radial acceleration?
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Physics, 22.06.2019 15:30
At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
Answers: 1
Write a short paragraph comparing the similarities and differences of the universal forces. Discuss...
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