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Julissa Mcclure
Physics
What is the total resistance of the circuit with a 20 ohm and 30 ohm resistance
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Gunnar Roth
Physics
The speed or celerity of deep-water waves ... A. increases with increasing water depth B. increases as water becomes blue in color C. decreases with increasing wave height D. is constant regardless of wavelength E. none of the above
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Elliana Jacobs
Physics
CFC, Freon, and aerosols are becoming less commonly used because they
A) cause acid rain.
B) harm the ozone layer.
C) have radioactive waste.
D) cause Alzheimer's disease.
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Tania Cantrell
Physics
What is the density of the object that has a mass 13.87g and a volume of 31.75cm3?
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Esmeralda Garrett
Physics
Which of these may disrupt aircraft navigation system
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Ivory
Physics
A star that appears to pulsate is called a
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Paul
Physics
How are sound waves and light waves behavior similar?
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Giana Raymond
Physics
A package falls from an airplane in level flight at constant speed. If air resistance can be neglected, how does the motion of the package look to the pilot
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Chanel Carney
Physics
What is the main reason plants and animals have sex?
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Audrina Palmer
Physics
How does the electric force between two charged particles change if one particle's charge is increased by a factor of 2?
A. It is increased by a factor of 2.
B. It is decreased by a factor of 2.
C. It is decreased by a factor of 4.
D. It is increased by a factor of 4.
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Deandre Vaughan
Physics
Convert 485 km to dm
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Stud
Physics
In a mass spectrometer, a singly ionized 24Mg ion has a mass equal to 3.983 10-26 kg and is accelerated through a 2.00-kV potential difference. It then enters a region where it is deflected by a magnetic field of 537 G.
a. Find the radius of the curvature of the ion's orbit.
b. What is the difference in the orbital radii of the 26Mg and 24Mg ions? Assume that their mass ratio is 26:24
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Jacob Hayden
Physics
A 14gram ovarian tumor is treated using a sodium phosphate in which the phosphorus atoms are the radioactive phosphorus 32 isotopes with half life 14.3 days and which decays via beta emission with energy of 1.71Mev. Half of the sodium phosphate solution is absorbed by the tumor and deposits 9.0J of energy into it. The other half of the solution is dispersed through out the patients tissue and deposits 9.0J of energy into the 50kg of the body tissue. What is the dose in gray and rem that the tumor receives. What is the dose in mill gray and rem that the rest of the tissue receives
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Dirty Harry
Physics
At the Paris Peace Conference, President Wilson's program for peace
a. angered the Russians.
b. met no resistance among the Allies.
c. was backed only by France.
d. underwent several changes
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Demarcus Reese
Physics
According to Newton's first law of motion, what will an doject in motion do when no extemal force acts on
come to a stop
move at the same velocity
speed up
change direction
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