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a) Assuming the kinetic energy of a neutron, confined inside acubic box, is 10 MeV in its ground state, calculate the size of the box.
b) What are the energyies of the next three excited states?
Two blocks of identical wood sit on slippery (no friction) ice. You fire a bullet at each block. At the first block, you fire a metal bullet that impales itself in the block. At the second block, you fire an equal-mass, equal-speed rubber bullet that..
A baseball pitcher throws a 145 g baseball parallel to the ground with a speed of 39.03 m/s in the +x direction. What is the velocity of the ball after leaving the bat
An ideal gas occupies 0.14 m3 at an absolute pressure of 1.2×105 Pa and temperature 280 K, How many moles of gas are there
You are visiting a pizza parlor and watch the chef make a pizza crust. He throws a spinning disk of dough in the air. Its angular velocity is 15 rad/s. What is the final rotational kinetic energy of the dough
An engine transfers 2.5 X 103 J of energy from a hot reservoir during a cycle and has an efficiency of 0.3. How much heat is transferred as exhaust to a cold reservoir
A load of bricks with mass = 15.6 hangs from one end of a rope that passes over a small, frictionless pulley. What is the magnitude of the upward acceleration
An aluminum calorimeter with a mass of 100 g contains 250 g of water. The calorimeter and water are in thermal equilibrium at 10°C. Determine the specific heat of the unknown sample
Estimate the electron drift velocity. Estimate the current density. Estimate the electric field in the wire.
If the coefficient of static friction is 0.951, illustrate what is the maximum speed that the car can take without skidding?
q1. if 25grams of water at 100 degrees celsius are mixed with 15 grams of water at 40 degrees celsius what temperature
Suppose a news report stated that starship Enterprise had just returned from a 5 year voyage while traveling at 0.81c. If the report meant 5.0 years of Earth time, how much time elapsed on the ship
The length of a simple pendulum is 0.87 m and the mass of the particle (the "bob") at the end of the cable is 0.21 kg. What is the angular frequency of the motion
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