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a transition in a nucleus consists of changing a three-quark group uud to a udd collection this transition is mediated
a railroad car of mass 240 multiplied by 104 kg moving at 250 ms collides and couples with two coupled railroad cars
the distance to a point source is decreased with a factor of three suppose that the sound is emitted by the source
a uniform electric field exists in the region among two oppositely charged parallel plates 159 cm apart a proton is
an x-ray of wavelength 755 pm strikes an electron and is compton scattered with an outgoing wavelength 783 pm what is
the rhinestones in costume jewellery are glass by index of refraction 150 to make them more reflective they are often
in the line spectrum of atomic hydrogen there is a group of lines that are produced when electrons excited to high
a mixture of red light lambda665 nm and blue light lambda480 nm falls on the slits separated by 0142 mm apartnbsp what
a rocket in a fireworks display explodes high in the air the sound spreads out uniformly in all directions the
a woman is standing in the ocean and she notices that after a wave crest passes by five more crests pass in a time of
the linear density of the a string on a violin is 969 x10-4 kgm a wave on the string has a frequency of 323 hz and a
a uniform layer of water n 133 lies on a glass plate n 152 light shines perpendicularly on the layer because of
a 15 cm focal length converging lens is used to magnify small newspaper print 2 mm high compute the height of the image
what are some reasons why my gauged frequency would be too high or too low when compared to the actual frequency of a
a 1500 g copper cylinder at 4250 c is placed on a large block of ice at 000 c suppose that no energy is transferred to
what is the change in temperature of water after falling over a 500 m tall waterfall suppose that the water is at rest
assume that youngs experiment is performed by light of wavelength 523 nm the slits are 106 mm apart and the viewing
esperanza uses a 35-mm camera by a standard lens of focal length 700 mm to take a photo of her son carlos who is 13 m
an inductor is in the built in the shape of a solenoid of radius 020 cm length 40 cm with 1000 turns this inductor is
hydroelectric power plants convert gravitational potential energy into more useful forms with flowing water downhill
a 2600 kg truck traveling north at38 kmh turns east and accelerates to 50 kmh1 what is the change in the trucks kinetic
an electron is moving such that its de broglie wavelength equals the compton wavelength how fast is it moving expressed
a 50 gram bullet is fired horizontally into a 05 kg block of wood resting on a frictionless table the block which is
a tvrsquos picture-tube faces northward at a place on the earth where the vertical component of the earths magnetic
an object is hung from a light vertical helical spring that subsequently stretches 20 cm the body is then displaced and