please help me correct this problem For full credit, make your work clear. Show

Question

please help me correct this problem

For full credit, make your work clear. Show the formulas you use, all the results with correct units. Partial credit is available if your work is clear. Point in parenthesis. For T/F or Multiple Choice questions, choose the best answer. G constant k = 8.99times10^9 Nm^2/C^2, permittivity of free space epsilon_0 = 8.854times10^-12 C2/Nm permeability of free space mu_0 = 4pi times 10^-7 m/A, elementary charge e = 1.602times mass m_c = 9.11times10^-31 kg, 1 electron-volt = 1.0 eV = 1.602times10^-19 J, 1 gauss = 1. G = 1.0 times 10^-4 T. A 14.8-volt laptop computer battery is rated at 65.0 watt-hours. Based on the units of watt-hours, that quantity must be Power energy current charge. Give 65 watt-hours in SI units.

Explanation / Answer

1) watt is unit of powe and hour is time

so watt.hour = power*time

and power*time = energy

so energy option is correct

2) 65 watt hour = 65*60*60 = 2.34*105 J

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