Thursday
December 5, 2013

# Posts by Kristie

Total # Posts: 124

physics
it marked me wrong on answering C, the upper atmosphere

physics
Light has a maximum constant speed in which of the following? A) water.B) red glass.C) the upper atmosphere.D) clear glass.E) between the atoms in glass, water, or the atmosphere. IS THIS C THE UPPER ATMOSPHERE?

physics

physics
The finding that light in free space has one speed, and one speed only, is consistent with ____________________. A) the conservation of energy as shown by Maxwell.B) general relativity.C) Newton's laws of motion.D) electromagnetic induction. My book tells me it is A and D ...

physics
1909, Robert Millikan was the first to find the charge of an electron in his now-famous oil-drop experiment. In that experiment tiny oil drops were sprayed into a uniform electric field between a horizontal pair of oppositely charged plates. The drops were observed with a magn...

physics
In periods of peak demand, power companies lower their voltage. This saves them power (and saves you money!). To see the effect, consider a 1200- W coffeemaker that draws 10 A when connected to 120 V. Suppose the voltage is lowered by 13 % to 104 V.(Caution: The 1200- W label...

physics
In periods of peak demand, power companies lower their voltage. This saves them power (and saves you money!). To see the effect, consider a 1200- W coffeemaker that draws 10 A when connected to 120 V. Suppose the voltage is lowered by 13 % to 104 V.(Caution: The 1200- W label...

physics
never mind wrong question

physics
thanks so much How many extra electrons are on this particular oil drop (given the presently known charge of the electron)?

physics
Given that the power consumed by a device is 1000 W operating on a 70-V line, calculate the amount of current it draws.

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