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A flat piece of glass is supported horizontally above the flat end of a 12.0 cm long metal rod that has its lower end rigidly fixed. The thin film of air among the rod and the glass is observed to be bright when illuminated with light of wavelength 515 nm. As the temperature is slowly increased with 24.0°C, the film changes from bright to dark and back to bright 150 times. What is the coefficient of linear expansion of the metal?
The deflection plates in an oscilloscope are 10 cm by 2 cm with a gap distance of 1 mm. A 100 volt potential difference is suddenly applied to the initially uncharged plates through a 950 ohm resistor in series with the deflection plates.
When a person inhales, air moves down the bronchus (windpipe)at 16 cm/s. determine the pressure drop in the constriction
1.) Hold the baseball and sheet of paper side by side. Predict which one will travel with the faster motion when released. Then drop them both at the same time. Did your prediction match the results?
A rod 14 cm long is uniformly charged and has a total charge of -22 c. resolve the magnitude and direction of the electric field all along the axis of the rod at a point 36.0 cm from its center.
A water-skier is moving at a speed of 13.1 m/s. When she skis in the same direction as a traveling wave, Determine the wavelength of the wave
A spaceship of mass 2.00 106 kg is to be accelerated to a speed of 0.820c. What minimum amount of energy does this acceleration require from the spaceship's fuel, assuming perfect efficiency?
Two thin lenses with a focal length of magnitude 12.0cm , the first diverging and the second converging, are located 9.00cm apart. What is the height of the final image
An engine absorbs 200 Joule of energy from a hot reservoir and exhausts 160 Joule to reservoir at 300Kelvin. Determine the minimum temperature of the hot reservoir
The magnitude of earth's magnetic field is 50.0 µT and makes an angle of 30° with the plane of the coil. Assume a patient takes 1.50 s to inhale, find the magnitude of average induced emf in the coil during that time.
A spy satellite circles the Earth at an altitude of 160 km and carries out surveillance with a special high-resolution telescopic camera having a lens diameter of 35 cm
A block is pushed up an incline. The incline creates an angle of 22.0° with the horizontal. When the block is released, it has an initial velocity of 2.75 m/s. The coefficient of kinetic friction between the block and the inclined plane is 0.450. How..
If one shines a laser with wavelength ? = 650 nm through a single slit of width a = 0.04 mm, How far apart are the minima
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