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Solar cells are often coated with a transparent thin film of silicon monoxide (SiO, n = 1.45) to minimize re?ective losses from the surface. Suppose that a silicon solar cell (n = 3.5) is coated with a thin film of SiO for this purpose. If the thickness of the coating is 90.1 nm, Find the maximum wavelength (nm) of ultraviolet light (in air) for which the reflection will be maximized instead of minimized. (The wavelength of ultraviolet light is shorter than that of visible light.)
n unmarked police car traveling a constant 95 km/h is passed by a speeder traveling 130 km/h. how much time passes before the police car overtake the speeder
The only two forces acting on a body have magnitudes F1 and F2 and directions that differ by an angle ?. what is the mass of the body
A3.50-kg block starts from rest at the top of a 30.0° incline and slides a distance of1.90m down the incline in1.80s. Find the magnitude of the acceleration of the block
a race car makes two and a half laps around a circular track in 5.1 min. What is the car's angular speed
An 9.00-cm-diameter, 330g solid sphere is released from rest at the top of a 1.70-m-long, 20.0? incline. What is the sphere's angular velocity at the bottom of the incline
A block of mass m = 4.43 kg is attached to a spring which is resting on a horizontal frictionless table. What is the maximum speed of the block
A single bead can slide with negligible friction on a wire
A diver shines a flashlight upward from beneath the water at a 44.5° angle to the vertical. At what angle does the light leave the water
Suppose you throw a rock from an initial height h0 at a speed v0 and angle ? from the horizontal. Neglect drag or friction, Determine the coordinate system and draw a diagram of the trajectory. Draw the free-body diagram and find the net force
rotates to provide an "artificial gravity" of 3.10 m/s2 for persons who walk around on the inner wall of the outer rim. Find out the rate of rotation of the wheel (in revolutions per minute) that will produce this effect.
An airplane flies between two points on the ground that are 500 km apart. The destination is directly north of the origination of the flight. The plane flies with an air speed of 120 m/s.
four charges are placed at the corners of a square of side 4 cm. What is the electrostatic potential energy of this system relative to infinity
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