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The central order for a diffraction pattern from a rectangular aperture is measured to be 15 mm high and 5 mm wide on a screen 1 m away. If the illumination has a wavelength of 633 nm, what is the aperture's
a) height? b) Width?
A copper sheet of thickness 2.70 mm is bonded to a steel sheet of thickness 4.10 mm. The outside surface of the copper sheet is held at a temperature of 170.0 °C and the steel sheet at 27.0 °C.
A diffraction grating has 1380 lines/mm. You desire to detect two sodium lines at 589.0 nm and 589.6 nm with a detector. how far away should the dectector be placed from the grating
Two packing crates of massesm1= 10.0kg and m2=7.00 are connected by a light string that passes over a frictionless pulley, Find the acceleration of the 7.00 kg crate
The distance between two telephone poles is d = 53.5 m. When a 1.10-kg bird lands on the telephone wire midway between the poles, how much tension does the bird produce in the wire
A thing, rigid, spherical shell with a mass of 4.00 kg and diameter of 0.200 m is filled with helium at 0 degrees celsius and 1 atm pressure. It is after that free from rest on the bottom of a pool of water that is 4.00 m deep.
A uniform beam of negligible weight is supported by a cable. The beam is pivoted at the bottom and a 2000-N object hangs from its top. Find the magnitude of the tension T in the cable.
an important radionuclide produced in water-cooled nuclear reactors is 16n which has a half-life of 7.13 s and emits
A car rounds a circle of radius 150 m going at 10.5 m/s, What's the car's acceleration if its speed is constant
The desperate contestants on a TV survival show are very hungry. The only food they can see is some fruit hanging on a branch high in a tree. With what speed does the rock leave the spring
Capacitors C1 = 5.0 µF and C2 = 2.0µF are charged as a parallel combination across a250 V battery. Calculate the resulting charge on each capacitor
A new fabric is made to help athletes stay cool. It has a conductivity constant of 94.465 J/(s m K). what is the power of the materials thermal conductivity
the electrical device whose symbol is show above circle requires a terminal voltage of 12 volts and current of 2
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