You are visiting a friend and you notice the plastic insulation on the chord to their toaster has a crack and the bare copper wire is exposed. Your friend gets a shock when making toast. What can you tell your friend about what happened? What is the specific term for what has happened and what safety feature should/do they have in their home to protect them.
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Physics, 22.06.2019 13:10
Most short-period comets do not have randomly oriented orbits because
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Physics, 22.06.2019 15:00
Consider a uniformly charged ring in the xy plane, centered at the origin. the ring has radius a and positive charge qdistributed evenly along its circumference. a)what is the direction of the electric field at any point on the z axis? . b)what is the magnitude of the electric field along the positive z axis? use k in your answer, where k=14πϵ0. d)the ball will oscillate along the z axis between z=d and z=−d in simple harmonic motion. what will be the angular frequency ω of these oscillations? use the approximation d≪a to simplify your calculation; that is, assume that d2+a2≈a2. express your answer in terms of given charges, dimensions, and constants
Answers: 2
Physics, 22.06.2019 16:30
Write a polynomial function with the given zeros x= -1,0,2show your work
Answers: 3
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