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    physics problem hhheeelllppppppppppppppppppppp?

    PART 1 A(n) 73 F air-filled capacitor is charged to a potential difference of 5986 V. What is the energy stored in it? PART2 If the voltage source remains connected to the capacitor, but the air is replaced by a layer of plastic with dielectric constant of 4.7, what is the new value of energy...
  2. Y

    Pre Calculus Help!!!!!!!!!!!!!!!!!!!!!!!?

    f(x) = -x2, g(x) = 7x - 1 a)Find (f + g)(3) b) Find (f - g)(3) c)Find (fg)(3) dFind (f /g)(3)
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