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Two flat plates of glass, each 8.00 cm long, are in contact at one end and are separated by a piece of paper at the other end, as shown in the figure below. This creates a thin air wedge of variable thickness between the plates. The thickness of the paper is h = 63.5 μm.
What is the thickness t of the air film at a point that is a distance x = 5.70 cm from the end where the plates are in contact?
as a helicopter carrying a crate takes off its vertical position as well as the crates is given as yt at3 where a is a
An airplane propeller is rotating at 1900 rpm. What is the period ( in seconds) of this propeller
A pendulum bob of mass 0.5 Kg is suspended by ahorizontal string of length 1 m and let go. What is the final speed of the block
An insect that is 5.30 mm long is placed 8.9 cm from a converging lens with a focal length of 12.0 cm. find the angular magnification if the lens is close to the eye
Light from a helium-neon laser (633 nm) is incident on a single slit. Find the largest slit width for which there are no minima in the diffraction pattern
An ideal spring with a stiffness of 379N/m is attached to a wall, and its other end is attached to a block that has a mass of 16-kg. The spring/block system is then stretched away from the spring's relaxed position until 59J of mechanical potentia..
A cannonball is catapulted toward a castle. The cannonball velocity when it leaves the catapult is 40 m/s at an angle of 37%uF0B0, What is the cannonball%u2019s impact speed when it lands
A system of volume equal to 1m^3 is evacuated to an ultimate pressure of 10^-7 torr employing a 200liters/s pump. For a reactive evaporation process, 100cm^3 of gas (STP) should be continuously delivered through the system per minute. What is the ult..
In an experiment to measure Planck's constant, a metal target is illuminated with ultraviolet light. Using the experimental value of h, find the threshold frequency and work function for this metal
What is the maximum wavelength seen in each of the Lyman, Balmer, Paschen, and Brackett, and Pfund series for hydrogen? (122, 656, 1880, 4050, 7470 nm)?
A person wants to push a lamp ( mass 7.2 ) across the floor, for which the coefficient of friction is 0.20. calculate the maximum height x above the floor at which the person can push the lamp so that it slides rather than tips.
the work function of a certain metal is 1.310-18 j. upon irradation with light of a given wavelength electrons are
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