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Assuming Euclidean geometry in an expanding Universe, and usingHubble's Law, find a formula which gives the angular size inarcseconds, of a nearby galaxy whose diameter, S is 200kpc, as afunction of the observed wavelength for the twice ionized oxygenline with rest wavelength 5007 angstroms.
A 5g bullet leaves the muzzle of a rifle with a speed of 320 m/s. What force (assumed constant) is exerted on the bullet while it is traveling down the 0.81 m long barrel of rifle.
How much work is required to bring three protons, initially infinitely far apart, to a configuration where each proton is 1.3 10-15 m from the other two
A molecule of DNA (deoxyribonucleic acid) is 2.28 µm long, Determine the effective spring constant of the molecule
A particle of mass 2 units moves along the x-axis attracted toward the origin by the force whose magnitude is numerically equal to 8x. find the differential equation describing the motion
When 50-ml of a liquid is heated through 20 degree centigrade, its apparent expansion was 0.5 ml. If the coefficient of linear expansion of the container is 9 x 1/1000000 per K, find the coefficient of real expansion of the liquid.
a 5 mf capacitor and a 9 mf capacitor are connected in parallel to a 60 hz generator operating with an rms voltage of 120 v
The fundamental physical constant of quantum mechanics, h, has played an important role in each of the three theoretical advances (those relating to the blackbody spectrum, the photoelectric effect, and the structure of the H atom).
A 3.8×10-24-kg particle is vibrating with simple harmonic motion with a period of 1.3×10-5 s and a maximum speed of 1.55×103 m/s. A) Calculate the angular frequency. B) Find the maximum displacement of the particle. I know the answer to part A) 48..
Write a paper follow below instructions: -the three classes of pumps which are, positive displacement, momentum transfer and entrapment
How to design atrium of a new building
A woman with mass 53.5 kg is standing on the rim of a large disk that is rotating at 0.510 rev/s about an axis perpendicular to it through its center. Calculate the magnitude of the total angular momentum
A freezer is used to freeze 2.0 L of water completely into ice. The water and the freezer remain at a constant temperature of T = 0°C. Determine the change in the entropy of the freezer
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