Calculate the potential at the centre of the hexagon
A regular hexagon of side 10 cm has a charge 5 µC at each of its vertices. Calculate the potential at the centre of the hexagon.
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You may assume there is no change in both potential and kinetic energy in the tank. Find the (a) energy transfer by work (kJ) and (b) the change in specific internal energy of the air (kJ/kg).
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Verify this result for the simple configuration of two charges of the same magnitude and sign placed a certain distance apart.
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The current price of a stock is $94, and 3-month Eurpean call options with a strike price of $95 currently sell for $4.70. An investor who feels that the price of the stock will increase is trying to decide between buyng 100 shares and buying 2,00
Now, heat is transferred to the refridgerant -134a until the temperature is 15 degrees C. Determine the change in volume of the cylinder.
A sample of 66 women over the age of 50 used the new cream for 6 months. Of those 66 women, 30 of them reported skin improvement(as judged by a dermatologist). Is this evidence that the cream will improve the skin of more than 60% of women over th
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If a child's achievement is below what would be expected given their level of intellectual functioning (as derived from an IQ test such as the WISC-IV)
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