College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Question

Transcribed Image Text:(a) What energy is dissipated by a lightning bolt having a 20,700 A current,
a voltage of 117 MV, and a time duration 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 with a specific heat of 4184 J/(kg · °C) and a latent
heat of vaporization of 2256 x 103 J/kg?
kg
Expert Solution

Step 1
Given,
current I = 20700 A
Voltage V = 117 MV = 117 X 106 V
Time t =1 ms = 1 x 10-3 s
We know the expression for Energy is
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