Recent content by umar.ali

  1. U

    Velocity in uniform circular motion

    a)v=2\pir/T=2*\pi*20/8.42=14.92m/s and the length of the arcs will equal circumference divided by 8 b)do u mean the horizontal component? yes that would equal zero as only acceleration is towards center of Ferris wheel c)yes but the v value is wrong. look at part my explanation for part a...
  2. U

    How Does an AC Generator Produce EMF?

    Homework Statement Need to draw a graph of the emf generated by a simple single-phase generator which has a coil of 200 turns. The coil is 14cm long and 9cm wide. The magnetic field in the generator is 0.15T. The generator coil is turned at a rate of 3000 revolutions per minute. Can someone...
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