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A nonreflective coating (n = 1.30) covers the glass (n = 1.52) of a camera lens. Assuming that the coating prevents reflection of yellow-green light(wavelength in vacuum = 569 nm), determine the minimum nonzero thickness that the coating can have.
Answer:______nm
What is the kinetic energy of a ball of mass 16.1 kg at the apex (highest point) of its trajectory, if it is thrown with an initial speed of 45 mph and an initial angle of 42.8 o with respect to the horizontal?
A 0.350 m rod with uniform mass distribution runs along the x axis with its left end at the origin. A 1.80 m rod with uniform mass distribution runs along y axis with its top end at the origin. Find out the coordinates of the center of gravity for..
Use Gauss law to compute amount of charge
a 13-g sample of an unkown metal is heated to 96.0 degrees C. What is the specific heat of the unknown metal
Two resistors have resistances R(smaller) and R(larger), where R(smaller)
Ions having equal charges but masses of M and 2M are accelerated through the same potential difference, what is the radius of the arc followed by the lighter
A beam of light is traveling in air and strikes a material. The angles of incidence and refraction are 58.8°, Obtain the speed of light in the material
What is the magnitude of vertical component of its velocity as it strikes the ground.
Two wheels have the same mass and radius of 4.3 kg and 0.50 m, respectively. One has the shape of a hoop, Find the net external torque that acts on each wheel
A person drops a cylindrical steel bar (Y = 1.00 × 1011 Pa) from a height of 1.00 m (distance between the floor and the bottom of the vertically oriented bar). The bar, of length L = 0.51 m, what is the maximum compression of the bar
A car of mass M = 1200 kg traveling at 45.0 km/hour enters a banked turn covered with ice. The road is banked at an angle theta, and there is no friction between the road and the car's tires.
A distant galaxy emits light that has a wavelength of 699.1 nm. On earth, the wavelength of this light is measured to be 701.6 nm, Decide whether this galaxy is approaching or receding from the earth
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