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Yellow-green light(wavelength 550nm) passes through two closely spaced very narrow slits, producing bright interference fringes separated by 4.50mm on a screen 3.00m from the slits.
A. How far apart are the slits
B. A second light source used with the same slits and screen causes bright fringes separated by 4.00 mm, what is the wavelength for that second source of light.
A window washer is standing on a scaffold supported by a vertical rope at each end. The scaffold weighs 192 N and is 3.1 m long. What is the tension in each rope
Two 4.0-g spheres are suspended by 9.0-cm-long light strings. determine the electric field intensity that enables the spheres to be in equilibrium at ? = 12°
The magnitude of vector A is 24 m, and it points in the positive y direction. What are the magnitude and direction of vector
A virtual object is located to the right of a diverging lens whose focal length is -f cm. Find the distance of the image of the virtual object measured with respect to the the lens
Three deer, A, B, and C, are grazing in a field. Deer B is located 64.2 m from deer A at an angle of 51.3 ° north of west. What is the distance between deers
A tuning fork with a frequency of 356 Hz is found to cause resonance in a closed column of air at 41 cm and at 65 cm. Find the velocity of sound produced by the tuning fork.
A 75?kg jogger runs with a speed of 4.2m/s, What is the jogger's de Broglie wavelength
What is the decibel level required for human perception
A 0.481 kg metal cylinder is placed inside the top of a plastic tube, the lower end of which is sealed off by an adjustable plunger, what is the initial acceleration of the metal cylinder
on turning a corner ,a motorist rushing at 44m/s find a child on road 100m away. he applies the brakes so as to stop the motorcar within 1m of child. calculate the time required to stop.
If air resistance & other effects are ignored how far away did the shell hit.
A charge of +2.00 x 10^-9 C is placed at x = 0.0 m. A second charge of +4.00 x 10^-9 C is placed at x = 1.5 m.
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