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How many Ne atoms are present in a 2.80 L sample of Ne at STP? (Enter your answer using scientific notation. For scientific notation, 6.02 x 1023 is written as 6.02E23.)
assume a long, straight wire carries a current of 6.5 .what would be the frequency of vibrations.
In addition to dark matter cosmologists have proposed dark energy. The reason for this was the discovery of: A) slowing down of the expansion of the universe B) cosmic background radiation C) acceleration of the expansion of the universe D) gravitati..
A 9000pF capacitor holds plus and minus charges of 1.35×10?7C . What is the voltage across the capacitor
The three charged particles in the figure below are at the vertices of an isosceles triangle (where d = 3.80 cm). calculate the electric potential at point A, the midpoint of the base
Illustratr what is the amplitude of the oscillations? What were the (b) position and (c) velocity of the block at t = 0 s?
A 58-kg bicyclist rides his 10.3-kg bicycle with a speed of 13.8 m/s. Assuming constant acceleration, What is the magnitude of the braking force
An engine does 17200 J of work and rejects 6470 J of heat into a cold reservoir whose temperature is 272 K
Detect burglars entering windows: Describe how you will design a device that uses electromagnetic induction to detect a burglar opening a window in your ground floor apartment. Include drawings and a word description.
mercury is poured into a tall glass. ethyl alcohol which does not mix with mercury is then poured on top of the mercury
If it requires 4.0 Joule of work to stretch a particular spring by 1.9 centimeter from its equilibrium length, find how much more work will be required to stretch it an additional 4.3 centimeter
Estimate the average number of atoms comprising a bacterium for example Escherichia coli. Assume that the bacterium is a cylinder of 2mum length, 0.5mum diameter (and for practical purposed is made up mainly of water, which has a density of 1kg/liter..
Suppose one gallon of gasoline produces 1.1 108 J of energy, and this energy is sufficient to operate a car for 16 miles. how many miles would the car go on a single tablet
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