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Question: Light illuminates two closely spaced thin slits and produces an interference pattern on a screen behind. How will the distance between the fringes of the pattern differ for red light and blue light?
A force F= (6x - 2y)N acts on a particle that undergoes a displacement delta r= (3x + y)m. find the work done by the force on the particle
Two identical particles of mass m are trapped by an external one dimensional harmonic oscillator potential, but do not interact with each other. The energy levels for a single particle in the potential are En = (n + 1/2)(h_bar)(ω) for n = 0,1,2,3,..
A plumb bob is suspended from a point in the Northern hemisphere at a latitude of 45o. Find the angle this plumb bob makes
An Airbus A310 is initially moving down the runway at 4.5 m/s preparing for takeoff. The pilot pulls on the throttle so that the engines give the plane a constant acceleration of 1.6 m/s2
A 0.366-kg block is attached to a horizontal spring that is at its equilibrium length, and whose force constant is 20.3 N/m. How far does the putty-block system compress the spring
A circuit containing a 8 H inductor has an alternating current supplied to it. If Irms is 5.6 A and Vp is 25 V, find the frequency of the signal
A lottery machine uses blowing air to keep 2000 Ping-Pong balls bouncing around inside a 1.0m X 1.0m X1.0m box. What is the mean free path between collisions
q1. a steel paper clip is bent by a force of 10.2 n exerted on it through a distance of 4.85 cm. by how much does
An advertisement shows a 1239 kg car slowly pulling at constant speed a large passenger airplane to demonstrate the power of its newly-designed 89.7-hp (horsepower) engine, Calculate the force that opposes the motion
A weather emergency siren is mounted on a tower, 117 meters above the ground. On one hand, you would like to make the siren very loud so that it will warn as many people as possible.
A 1.0mL syringe has an inner diameter of 6.0mm , a needle inner diameter of 0.29 mm , and a plunger pad diameter (where you place your finger) of 1.2 cm . A nurse uses the syringe to inject medicine into a patient whose blood pressure is 140/100mmHg...
If the activation energy for the vacancy formation is given as 0.77 eV for aluminium at (650 degrees Celcius) ^3, what would be the number of vacancies at 650 degrees Celsius? The atomic weight and the density of aluminium is 26.98 g/mol and 2.62 ..
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