Physics, 12.07.2019 03:00 mmcdaniels46867
Consider an ideal spring, with spring constant k, which is oriented along an x-axis. one end of the spring is fixed, and the free end is located at x = 0 when the spring is neither stretched nor compressed. an object having a mass m is attached to the free end of the spring. consider an action in which the free end of the spring is moved from an initial position xi to a final position xf. the work done by the spring (and on the object attached to the free end) during this action is given by
Answers: 1
Physics, 22.06.2019 11:30, alexandroperez13
With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90
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In which item is energy stored in the form of gravitational potential energy? a. a slice of bread b. a compressed spring c. an apple on a tree d. a stretched bow string
Answers: 1
Consider an ideal spring, with spring constant k, which is oriented along an x-axis. one end of the...
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