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Question: Two thin slits are 0.050 mm apart. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference fringes?
An airplane with a speed of 71.4 m/s is climbing upward at an angle of 49.5 ° with respect to the horizontal. When the plane's altitude is 692 m, the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directl..
Nine electrons are injected into a one-dimensional energy well with a width of 2 nm. (a) What will be the quantum numbers and energies of each of the nine electrons? (b) What is the lowest-energy photon that can now be absorbed by electrons in this e..
The 1.48cm3 volume betweenthe plates of a 111 pF parallel-plate capacitor is filled with adielectric. The area of each plate is 0.00222 m2 and the plates are0.666 mm apart. Find the permittivity of the dielectric.
Two liquids, A and B, are mixed together, and the resulting temp is 22C. If liquid A has mass m and was initially at temp 35C, and liquid B has mass 3m and was initially at temp 11C, cacluatle the ratio of the specific heats of..
a small sphere carrying a positive charge of 10.0microc is moved against an electric field through a potential
Two buckets of sand hang from opposite ends of a rope thatpasses over an ideal pulley. One bucket is full and weighs 120 N;the other bucket is only partly filled and weighs 63N.
You illuminate a slit of width 0.0527 mm with light of wavelength 715 nm and observe the resulting diffraction pattern on a screen that is situated 2.39 m from the slit
An archer pulls her bowstring back 0.432 m by exerting a force that increases uniformly from zero to 227 N. What is the equivalent spring constant of the bow
A person wants to push an 80-kg box across the floor. The coefficient of friction between the box and the floor is 0.5. What is the normal force experienced by the box as it sits on the floor
What is the velocity of a beam of electrons that go undeflected when passing through perpendicular electric and magnetic fields of magnitude 8.8 x 10^3 V/m and 3.5 x 10^-3 T respectively
The drawing shows two boxes resting on frictionless ramps. One box is relatively light and sits on a steep ramp. determine the speed of the lighter box
In a performance test, each of two cars takes 8.0 s to acceleratefrom rest to 28 m/s. Car A has a mass of 1429 kg, and car B has amass of 1876 kg. Find the net average force that acts on(a) car A and (b) car B duringthe test.
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