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An air wedge among two planar glass plates is illuminated by a432 nm monochromatic source at nearly normal incidence. A pattern of light and dark fringes is measured and observed at 700 fringes per centimetre. What is the angle among the two plates?
A typical ten-pound car wheel has a moment of inertia of about0.35 \; \rm kg\cdot m^2. The wheel rotatesabout the axle at a constant angular speed making 70.0 fullrevolutions in a time interval of 7.00 s.
the magnetic moment of the earth is approx. 8x1022 a m2. imagine that the planetary magnetic field were caused by the
Steel expand 11 pars in million for each 1C change. think about the 1.3-km main span of steel for the Golden Bridge. if the span had no expansion joints, show that the span would be 0.21 m longer for a 15 C increase in temperature.
A 270-m-wide river flows due east at a uniform speed of 3.5 m/s. A boat with a speed of 7.6 m/s relative to the water leaves the south bank pointed in a direction 25o west of north. What is the (a) magnitude and (b) direction of the boat's velocit..
a thin film having an index of refraction of 1.5 is surrounded by air. it is illuminated normally by white light.
A photon has an energy E and wavelength (lamda) before scattering from a free-rest electron. FInd the initial wavelength and the initial energy of photon
neglect the initial speed of the roller coaster. A neautral water molecule in its vapor state has an electric dipole moment of magnitude 6.2x10^-30 C.m. How far apart are molecule's center of positive and negative charge.
question a space station in the form of a wheel 121 m in diameter rotates to provide an artificial gravity of 2.70ms2
A certain light truck can go around a flat curve having a radius of 150 m with a lowest speed of 38.0 m/s. With what maximum speed can it go around a curve having a radius of 87.0 m.
train engine has a mass of 2.1 x 107 and is moving acrossed a bridge at 23.9 miles per hour what is the kinetic
Some enterprising physics students working on a catapult decide to have a water balloon fight in the school hallway. At what angle must they be launched to just graze the ceiling
what is the magnitude of the electrostatic force between a singly charged sodium ion na of charge e and an adjacent
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