Physics, 16.04.2020 19:11 electrofy456
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An object is placed 20 cm away from a curved mirror that has a focal length of 7 cm.
Where is the image located? Is the image magnified or shrunken? Show your work
An image is produced 51.5 cm away from a converging lens. If the object is placed at 32 cm away, where is the focal point located? Show your work
If you used a converging lens with a focal length of 17 cm, where would you put an object that has a height of 5.5 cm to create a virtual image with a height of 13.8 cm? The image is located 22 cm away from the mirror. Show your work
Describe virtual images and how the simulation showed why they are virtual
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Physics, 22.06.2019 00:30
Consider an ordinary, helium-filled party balloon with a volume of 2.2 ft3. the lifting force on the balloon due to the outside air is the net resultant of the pressure distribution exerted on the exterior surface of the balloon. using this fact, we can derive archimedesâ principle, namely that the upward force on the balloon is equal to the weight of the air displaced by the balloon. assuming that the balloon is at sea level, where the air density is 0.002377 slug/ft3, calculate the maximum weight that can be lifted by the balloon. note: the molecular weight of air is 28.8 and that of helium is 4.
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Physics, 22.06.2019 15:10
Suppose that f : rn â rm and that a â k, where k is a connected subset of rn . suppose further that for each x â k there exists a δx > 0 such that f(x) = f(y) for all y â bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x â k
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Physics, 22.06.2019 16:30
Each neuron shown in this figure innervates a group of muscle fibers. what is the term for a group of muscle fibers innervated by a single neuron?
Answers: 1
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An object is placed 20 cm away from a curved mirror that has a focal length of...
An object is placed 20 cm away from a curved mirror that has a focal length of...
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