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The index of refraction of a glass rod is 1.48 at T = 20.0°C and varies linearly with temperature, with a coefficient of 2.50 x l0-5/Co. The coefficient of linear expansion of the glass is 5.00 x l0-6/Co. At 20.0oC the length of the rod is 3.00 cm. A Michelson interferometer has this glass rod in one arm, and the rod is being heated so that its temperature increases at a rate of 5.00Co/min. The light source has wavelength is = 589 nm, and the rod iuitially is at T = 20.0oC. How many fringes cross the field of view each minute?
A current is generated in a secondary coil that is used in an AC generator to create the power we get from our wall sockets at home. obtain changing which allows a current to be generated
A low-friction cart of mass 5.0 kg is attached to the spring, the spring is stretched 1.5 m from its equilibrium length, What is the velocity of the cart at this position
A tennis ball rolls off the edge of a tabletop 0.700m above the floor and strikes the floor at a point 1.20m horizontally from the edge of the table. Find the magnitude of the velocity of the ball just before it strikes the floor
A father racing his son has two-fifths the kinetic energy of the son, who has one-third the mass of the father. The father speeds up by 1.0 m/s, What is the original speed of the father
An electron has a de Broglie wavelength ? = 7.0×10?10m, What voltage was needed to accelerate it to this speed and What is its speed
a point mass, initially at rest, is released at a distance of 1.5e10m from the center of a neutron star whose mass is 3e30 kg. What is the initial acceleration of the point mass
An individual lifts a 95-kg weight to a height of 2.13 m. When the weight is held overhead, what is the potential energy? What is the kinetic energy
Household wiring made of aluminum wire with cross section area 3.1 x10^-6 m2 carries a current of 4.5 A. The bulk resistivity of aluminum is 2.82 x10^-8. What is the power loss over 5.2 m of wire?
If the present value of a project's benefits were $25,000 and costs were $18,000, what would the ratio of benefit to cost
In a nuclear experiment a proton with kinetic energy 3.5 MeV moves in a circular path in a uniform magnetic field. a)If the magnetic field is B = 1.1 T what is the radius of the orbit? b) What energy must an alpha particle (q = +2e, m = 4.0 u) and a ..
calculate a 2d plane perpendicular to a plane normal of 001 in the reciprocal lattice of platinum fcc. the lattice
The figure shows a child's toy, which has the shape of a cylinder mounted on top of a hemisphere. The radius of the hemisphere is R and the CM of the whole toy is at height h above the floor. Write down the gravitational potential energy when the t..
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