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(a) Why does damping in vibrations occur?
(b) In what physical systems is damping desirable?
(c) Sketch "amplitude vs time" graphs for simple harmonic systems which are (i) undamped (ii) under-damped (iii) critically damped (iv) overdamped.
An object is located to the left of a convex lens whose focal length = +40cm. The magnification produced by the lens = 3.0 m. Calculate the distance through which the object must be moved
A solid wood door 0.60 m wide is hung in a metal door way at 0.0°C with a clearance of 2.2 mm on the side. If the linear coefficient of expansion of the wood is 6.0*10-5(C°)-1, at what temperature °C would the door begin to touch the side of the door..
What is in m/s the vertical component of the velocity as the electron exits the metal plates? What is the vertical deflection (displacement) of the electrons due to the plates?
What slit separation will produce first-order maxima.
A 0.420 kilogram pendulum bob passes through the lowest part of its path at a speed of 3.30 m/s. find what angle does the cable make with the vertical
a current of 0.77 a flows through a copper wire 0.47 mm in diameter when it is connected to a potential difference of
A screen is placed 42.7 cm from a single slit that is illuminated with light of wavelength 677 nm. If the distance between the first and third minima in the diffraction pattern is 3.45 mm, what is the width of the slit.
A point charge of 8.40 mC is surrounded by an equipotential surface with a radius of 0.300 m. What is the electric potential on the surface
For each of the following equations, identify the variables, followed by a sentence explaining the meaning of the equation in words, and another sentence
You are playing raquetball at the rec center. When you are 10 m away from the wall you hit a ball 26m/s towards the wall at an angle of 30 degrees. How long is the ball in the air before it hits the wall
The tires on a new compact car have a diameter of 2.0 feet and are warranted for 58,000 miles. Compute the angle through which one of these tires will rotate during the warranty period
Two identical metal spheres and are connected by a plastic rod. Both are at first neutral. 6.0×10^12 electrons are added to sphere , then the connecting rod is removed.
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