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Find the scattering matrix S for a single δ-function potential V(x)=-(hbar^2)λ/(2ma)δ(x). Here a is an arbitrary quantity with dimension of a length and λ is a dimensionless quantity that characterizes the strength of the potential. Explain the problem in one spatial dimension.
A bat is flying 5 m/s while chasing an insect that is flying in the same direction. What is the speed of the insect
explosives are used to blow a rock apart. the explosion blows the rock into three fragments. two fragments go off at a
The wheel in the figure below has eight equally spaced spokes and a radius of 30 cm. It is mounted on a fixed axle and is spinning at 2 rev/s. You want to shoot a 23 cm long arrow parallel to this axle and through the wheel without hitting any of the..
Two point charges are on the y-axis. A 5.0 µC charge is located at y = 1.45 cm, and a -2.26 µC charge is located at y = -1.70 cm. Find the total electric potential at the origin
A bolt comes loose from the bottom of an elevator thatis moving upward at a speed of 5.42 m/s. The boltreaches the bottom of the elevator shaft in 2.90 s. Howhigh up (in m) was the elevator when the bolt came loose?
A 615-kg racing car completes one lap in 14.3 sec. arounda circular track with a radius of 50.0 m. What force must the track exert onthe tires to produce this acceleration
An airplane is flying with a velocity of 260 m/s at an angle of 30.0° with thehorizontal, as the drawing shows. When the altitude of the plane is2.0 km, a flare is released from theplane. The flare hits the target on the ground. What is the angleθ?
A 11 g bullet is fired into a 12 kg wood block that is at rest on a wood table. The block, with the bullet imbedded slides 5.0cm across the table. The coefficient of kinetic friction for wood sliding on wood is 0.20. What is the speed of the bullet?
A little red wagon with mass 7.0 kilogram moves in a straight line on a frictionless horizontal surface. Determine the acceleration produced by the force
a sky diver with parachute unopened falls 631 m in 15.6 s. then she opens her parachute and falls another 347 m in 133
a 600 ton Boeing business jet is flying at 500 mph at a constant altitude of 35,00 ft. what is the lifting force acting on the jet provided by the air
A rocket is fired from the ground as a projectile. At the top of its trajectory, at a horizontal distance of 260m from the launch point, the rocket breaks into two pieces: One fragment having1/3 of the mass of the original rocket and the remaining pi..
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