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(a) What energy is dissipated by a lightning bolt having a 20,000-A current, a voltage of 1.00×102 MV , and a length of 1.00 ms? (b) What mass of tree sap could be raised from 18.0∘C to its boiling point and then evaporated by this energy, assuming sap has the same thermal characteristics as water?​

Sagot :

Answer:

So the energy it's dissipating is going to be the power of the lightning bolt multiplied by the time it lasts and power is current times voltage so we substitute IV in place of P and then we multiply the 20000 amps by 1.00 times 10 to the 8 volts by 1.00 times 10 to the minus 3 seconds to get 2.00 gigajoules of energy.

Explanation: