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The ground state of the realistic helium atom is of course nondegenerate. However, consider a hypothetical helium atom in which the two electrons are replaced by two identical spin-one particles of negative charge. Neglect spin-dependent forces. For this hypothetical atom, what is the degeneracy of the ground state? Give your reasoning.
A Klingon spacecraft moves away from Earth at a speed of -.8c. With what speed is the Klingon craft moving as measured by the crew of the Enterprise
A train of mass 1500 metric tons runs along a straight track at 75 km/hr. What is the angular momenum of the train about a point on the track
In a double-slit interference experiment, the wavelength is 577 nm, the slit separation is 0.1 mm, What is the linear distance between adjacent maxima on the screen
At t=0, a charged particle at the origin has a velocity v along the positive z-axis. It is in the presence of parallel uniform fields E(along the positve x-axis) and B(along the positive x-axis).
The right and left end wires of two circuits are separated by a distance d = 2 mm. If L = 13 cm, V1 = 14 V, V2 = 17 V, R1 = 1 ?, what is the resistance (in ohms) of R2
Two protons at rest and separated by 3.00 mm are released simultaneously. What is the speed of either at the instant when the two are 11.00 mm apart
My home is exactly 5.9 km from Spartan Stadium, where the football team has just scored another touchdown. What is the temperature(in degree Celsius) of the air
The crankshaft in a race car goes from rest to 3540{\rm rpm} in 3.0{\rm s}. What is the crankshaft's angular acceleration
The third floor of a house is 6.00 m above street level. How much work is essential to move a 159 kg refrigerator to the third floor.
Heather and Matthew walk eastward with the speed of 0.99 m/s east. If it takes them 37 minutes to walk to the store, how far have they walked? Reply in units of km.
A 15.0kg block is attached to a very light horizontal spring of force constant 550N/m, Find the maximum distance that the block will compress the spring after the collision
a girl is riding her bicycle. when she gets to a corner, she stops to get a drink from her water bottle. how long does it take for her to catch up with her friend
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