The far point of a normal human eye is infinity
Indicate whether the statement is true or false
TRUE
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The inflationary theory of the universe may explain why the background radiation is so isotropic
Indicate whether the statement is true or false
An inductor stores energy in its magnetic field
A) True B) False
A fixed charge of 10 nC sits at the origin. A charge of 9nC is places at (4m, 3m).
a) Find the electric potential energy of the 9 n charge b) Find the work required to move the 9 n charge from its initial position to (-6m, 8m).
In a solar hot-water system, the hot-water tank is maintained at 130°C. It is desired to have the solar heater heat the feed water going into the tank to 180°C. Determine the amount of heat per kilogram of water required from the solar heater to heat the water from 130°C to 180°C. Assume that the hot-water heater runs at constant pressure.
What will be an ideal response?