Physics, 01.12.2019 06:31 laura52677
Alec says the force of gravity is stronger on a piece of paper after it’s crumpled. his classmate, jordan, disagrees. alec “proves” his point by dropping two pieces of paper, one crumpled and the other not. sure enough, the crumpled piece falls faster. has alec proven his point?
Answers: 2
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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
Alec says the force of gravity is stronger on a piece of paper after it’s crumpled. his classmate, j...
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