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Find the energy levels and the wave functions of the ground state and the first excited state for a system of two noninteracting fermions with with spin 1/2 moving in a one-dimentional infinite square well
An explosion breaks an object into two pieces, one of which has 1.48 times the mass of the other. How much kinetic energy did the heavier piece acquire
A cord is used to vertically lower an initially stationary block of mass M = 30 kg at a constant downward acceleration of g/5. Find the kinetic energy of the block
In a circus performance, a monkey on a sled is given an initialspeed of 3.8 m/s up a 25° incline. How far up the incline does the sled move
A projectile is launched straight up at 59 m/s from a height of 73 m, at the edge of a sheer cliff. The projectile falls, just missing the cliff and hitting the ground below.
A glass block (n = 1.56) is immersed in aliquid. A ray of light within the glass hits a glass-liquid surfaceat a 63.0° angle of incidence. What is the smallest possiblerefractive index for the liquid
A highway is to be built between two towns, one of which lies 30.0 km south and 83.0 km west of the other. What is the shortest length of highway that can be built between the two towns, and at what angle would this highway be directed?
A model-train car of mass 275 gtraveling with a speed of 0.50 m/s links up with another car ofmass 410 g that is initially at rest. What is the speed of the cars immediately after they have linked together? Find the initial kinetic energy.
The "tube length" of a microscope is defined to be the difference between the (objective) image distance and objective focal length: L=di%u2212fobjective. How far from the object should this lens be placed
A cannon is aimed at an angle of 30 degrees above the horizontal. It fires a cannonball into the direction of a valley with a muzzle velocity of 100m/s. What is the maximum height of the ball
A dart is thrown horizontally with an initial speed of 12 m/s toward point P, the bull's-eye on a dart board. How far away from the dart board is the dart released
A spring is hanging from the ceiling. Attaching a 480 g mass to the spring causes it to stretch 21.0 cm in order to come to equilibrium. a. What is the spring constant? b. From equilibrium, the mass is pulled down 10 cm and released.
A liquid with a density of 55 lbs/cubic ft is traveling through a pipe at a velocity of 115 ft/sec and its static pressure is 15 psi, what is its total head in ft
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