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Light of wavelength 572 nm illuminates a single 0.72 mm wide slit. What is the width of the central maximum
Consider a cell phone that emits electromagnetic radiation with a frequency of 1.0 GHz and with a power of 70 W. find the electric field amplitude at your ear as you use the phone
The work function for copper is 4.70 eV. Find the cutoff wavelength for copper
Suppose Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2?J · s. What is the minimum uncertainty in the duck's speed
A point source generating a spherical sound wave at 50Hz, Calculate the amplitude of the particle velocity at r=3m from the source
A solenoid of radius 4.0 cm has 300 turns and a lenght of 25 cm. What is the inductance of the Coil?
A certain camera lens has a focal length of 147 mm. Its position can be adjusted to produce images, Over what range of object distances is the lens useful
A flask is filled with 1.51 L (L = liter) of a liquid at 96.8 °C. When the liquid is cooled to 17.5 °C, What is the coefficient of volume expansion of the liquid
A commonly used method of fastening one part to another part is called "shrink fitting." A steel rod has a diameter of 2.0053 cm, By how many Celsius degrees should the rod be cooled
Two converging lenses, each of focal length 14.5 cm, are placed 59.2 cm apart, and an object is placed 27.4 cm in front of the first. Where is the final image relative to the second lens formed
The side-view mirror of an automobile hasa radius of curvature of 11.5 cm. How far is the object from the mirror
A man stands on a platform that is rotating (without friction) with an angular speed of 0.361 rev/s; his arms are outstretched, what is the resulting angular speed of the platform
A magnifying glass uses a converging lens with a focal length of 14.5 cm. It produces a virtual, How far is the object from the lens
Monochromatic light falls on a slit that is 3.50 multiplied by 10-3 mm wide. what is the frequency of the light used
a hydrogen atom is in the n= 2 state. what's the wavelength of a photon with this energy
The speed of the fastest-pitched baseball was 45.0 m/s , and the ball's mass was 145g. How many joules of kinetic energy did this ball have
A circular coil of wire with 54 turns and a radius of 45 cm is laying flat on a horizontal table, compute the magnitude of the magnetic flux through the coil
a marble column of cross-sectional area 1.2 m^2 supports a mass of 25,000 kg. what is the stress within the column
A sinusoidal EM wave has an electric field amplitude Em = 30.6 mV/m. What is the average energy density
A 90.0 ohms resistor, a 0.110 H inductor, and a 16.0 uF capacitor are connected in series to a 60.0 Hz source. Find the rms voltage across the resistor
A runner on a 100-m diameter circular track complete a full lap in 80s. What is the angular speed of the runner
Two charges are held 0.5 m apart and exert a force of 32 N on one another. what is the force they exert on one another
The drive propeller of a ship starts from rest and accelerates at 2.50 x 10-3 rad/s2 for 2.15 x 103 s. find the total angular displacement of the propeller
Water at a pressure of 4.3 atm at street level flows into an office building at a speed of 0.6 m/s through a pipe 5 cm in diameter. What is the pressure in the top floor pipe
A doorway acts as a single slit for light that passes through it, but a doorway is much larger than the wavelength of visible light, Estimate the width of the doorway