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In a single-slit diffraction experiment, a beam of monochromatic light of wavelength 630 nm is incident on a slit of width 0.400 mm. If the distance between the slit and the screen is 1.80 m, what are the positions of the first dark fringes?
An electric field of magnitude 5.25 105 N/C points due west at a certain location. Find the magnitude and direction of the force on a
A 34 kg child on a swing 6,9 meters long is released from rest when the swing supports make an angle of 38,9 degrees with the vertical. Neglecting friction, find out the child's speed (m/s) at the lowest position to two decimal places. Use 9,8 m/s..
A 1400 kg car carrying four 92 kg people travels over a "washboard" dirt road with corrugations 4.5 m apart. by how much does the car body rise on its suspension
Teo point charges are on the x-axis. The first is located at -4 meters and has a charge of -6 coulombs. Where on the x-axis is the electric field zero
Provide equations allowing to find moment of inertia of a solid cylinder and of a cylindrical ring
A figure skater is spinning with an angular velocity of +14 rad/s. She then comes to a stop over a brief period of time. Determine the time during which she comes to rest
The bucket is released from rest at the top of a well and falls a distance 10.3 to the water. You can ignore the weight of the rope.
Starting from the top left corner and moving clockwise the charges are -10 uC, -10 uC, 5 uC, and 5 uC. What is the electric field at the center of the square array of charges
A 4kg mass rests on a tabletop and is attached to a spring with the spring constant 100N/m. find the equation of motion for the oscillator
questiona the proton-proton chain efficiently converts hydrogen into helium according to 4h rarr4 he. a helium 4
we have a parallel plate capacitor separation of 0.2mm capacitance C0= 21 nF we fill it with 20g of silicone oil & density 520 kg/m^3, find the max charge on the plate before dielectric breakdown
The pulley system shown in the figure is used to lift a 53 kg crate. Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to the crate. Assume that the masses of the chains, pulleys, and ropes a..
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