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Consider a wave propagating in the negative x-direction with frequency f = 100 Hz. At t = 5 sec the displacement associated with the wave is given by
y(x, t = 5)= 0.5 cos(0.1 x) where x and y are measured in centimeters and t in seconds. Obtain the displacement y(x,t).
What are the wavelength λ and velocity y associated with this wave?
A proton exeriences a magnetic field B= 1.9 X 10^-4i^ T and electric field E = 3.2 j^ N/C, what is the net force on the proton
A 200 gram block is dropped onto a relaxed vertical spring that has a spring constant of k =2.4 N/cm. Find the speed of the block just before it hits the spring
A camera with a telephoto lens of focal length 125 nm is used to take a photograph of a plant 1.8 m tall. The plant is 5.0 m from the lens. How tall is the image
The pressure inside a gas bottle at 24.7 °C is 3830 kPa. What will be the pressure inside the bottle
A heavy box is pulled across a wooden floor with a rope. The rope makes an angle of 60o with the floor. A force of 75N is exerted on the rope. find the component of the force parallel to the floor
Light is traveling in an optical medium with a refractive index of 1.55 and is incident on an interface with air. What is the critical angle for light traveling in this optical medium
a sample containing beryllium atomic mass 9 u aluminum 27 u and an unknown element is placed in a mass spectrometer.
A woman finds the front windshield of her car covered with iceat -13.8°C. How much heat is required to meltthe ice
An archer puts a 0.33 kg arrow to the bowstring. An average force of 183 N is exerted to draw the string back 1.3 m. suppose that air resistance is negligible.
Consider a thin ring of radius a with uniform charge density and total charge Q. The ring is cut in half across the diameter and the two halves superimposed to double the effective charge density. Calculate the electric field at a point 4a from the r..
Wavelengths of light from a remote galaxy are found to be 1.5 % longer than the corresponding wavelengths measured here on earth. What is the speed of the galaxy relative to earth
Two narrow parallel slits separated by 0.85 mm are illuminated by 600 nm light, and the viewing screen is 2.8 m away from the slits. What is the ratio of intensity at this point to the intensity at the center of the central bright fringe?
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