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Q1. A spring stiffness 900 N/m and relaxed length 1m stands vertically on a table. You hold a block of mass 1 kg barely touching the top of the spring. Assume you let the mass down onto the spring certain distance very slowly and view the mass is not moving at this point. How much did the spring compress?
Q2. Consider a system of three non interacting identical bosons that moves in a common external one-demention harmonic oscillator potential. Find out the energy level and wave functions of the ground state, the first state, and the second state of the system.
A coin is placed on a turntable 13 cm from the center. A lump of clay placed behind the coin prevents it from sliding backwards , How long will it take before the coin begins to slide radially
As a 1.00 cm diameter plunger reduces the height of the column of air inside the chamber from 7.00cm down to 0.50cm, the temperature inside increases from 20C to 210C. Determine the air pressure inside the chamber (in atm) after compression if the..
An aluminum wire carrying a current of 6.0 A has a cross-sectional area of 4.0 ? 10-6 m2. Find the drift speed of the electrons in the wire
A point charge q1=4nC is placed at the origin, and a second point charge q2= -3nC is placed on the x-axis at x= 20cm. A third point charge q3=2 nC is to be placed on the x-axis between q1 and q2.
he car is suspended beneath the helicopter by a steel cable. Illustrate what is the lift force exerted on the air by the helicopter's rotor?
A block with mass m = 3.58 kg is placed against a spring on a frictionless incline with angle ? = 32.5°. find the elastic potential energy of the compressed spring
A golf gall is dropped from a height of h1 = 3.45 m. After it bounces it only reaches h2 = 2.23 m. How much energy did the ball transfer to the environment during the bounce in Joules
In a 45° - 90° - 45° prism with a ray of light entering and exiting on the long side of the prism after undergoing two total internal reflections. Determine the minimum index of refraction of the prism in order for this to occur
q1. a box of mass 32 kg is at rest on a horizontal frictionless surface. a constant horizontal force then acts on the
A mass-spring system oscillates with an amplitude of 5.50cm. If the spring constant is 247N/m and the mass is 584g, determine the mechanical energy of the system
What is the magnitude of F if box is speeding of with a constant acceleration of 0.18 m/s2.
In a photoelectric effect experiment, visible radiation of energy 2.68 eV is incident upon a metal of unknown work function. determine the work function of the metal
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