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Suppose two flat glass plates 30-cm long are in contact along one end and separated by a human hair at the other end. If the diameter of the hair is 50 µm, find the separation of the interference fringes when the plates are illuminated by green light, ? = 546 nm.
A room has dimensions 2.98 m (height) × 4.59 m × 6.03 m. A fly starting at one corner flies around, ending up at the diagonally opposite corner. What is the magnitude of its displacement
The only force on a 4.0-kg body as it moves along the x axis is given by F(subscript "x") = (14 - 6.1x) N, What is the maximum kinetic energy attained by the body
A crane weights 10500kg and the wrecking ball is 800kg. the arm of a crane can extend to a lenght of 22m. Whats the max speed of the wrecking ball
A double-concave lens has equal radii of curvature of 15.1 cm. An object placed 14.2 cm from the lens forms a virtual image 4.94 cm from the lens. What is the index of refraction of the lens material
Imagine that a hypothetical life form is discovered on our moon and transported to Earth. On a hot day, this life form begins to sweat, and it is determined that the heat of vaporization of its sweat is 365 cal/g.
An unspecified force causes a 0.2-kg object to accelerate at 0.4 m/s2. find the acceleration (in m/s2) of the heavier object
Calculate the period of the square wave (in milliseconds) to which the function generator is to be set in order five 1/e-times of the RC circuit to be accommodated into one half of the square wave
How much sound power will strike the eardrum of an airport worker 15.3 m from the aircraft? (Use 1.9 10-2 m as the diameter of the ear.)
What is the final angular velocity
Let the mass of object 1 be m and the mass of object 2 be 3m. what are the velocities of the two objects after the collision
a) At what angle (in degrees) should this strip be placed to yield an apparent focal spot size 2.5 mm x 1.5 mm. b) Using this size target, what angle is required to obtain a 2.5 mm x 2.5 mm apparent focal spot
The nucleus of an atom can be modeled as several protons and neutrons closely packed together. Estimate the density of the nucleus of an atom
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