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A steel cable with a total length of 25.6 m and total mass of 95 kg is connected to two poles. The tension in the cable is 864 N and the wind makes the cable vibrate at a frequency of 6.9 Hz. Calculate the wavelength of the resulting wave on the cable.
A commuter train passes a passenger platform at a constant speed of 35.5 m/s, What wavelength is detected by a person on the platform as the train approaches
An alert physics student stands beside the tracks as a train rolls slowly past. He notes that the frequency of the train whistle is 443 Hz when the train is approaching him.
Suppose you have a rectangular wooden block with dimensions 8.0 cm x 8.0 cm x 9.0 cm that has a density of 0.85 x 10^3 kg/m^3. What is the volume of the wood in the wooden block
The sound produced by the loudspeaker has a frequency of 12002 Hz and arrives at the microphone via two different paths. The sound travels through the left tube LXM that has a fixed length.
With what minimum speed should you toss a 140g ball straight up to hit the 11.0m-high roof of the gymnasium if you release the ball 1.30m above the ground? Resolve this problem using energy.
A series RLC circuit contains an AC generator (120 volts rms, frequency = 60 Hz), a 35.0 ohm resistor, a 1.49×10^?5 F capacitor, Determine the inductive reactance
How many rulings must a 4.22-cm-wide diffraction grating have to resolve the wavelengths 415.544, At what angle are the second order maxima found
An undersea research chamber for aquanauts is spherical with an external diameter of 7.93 m. The mass of the chamber, when occupied, is 64800 kg. What is the buoyant force on the chamber
A plastic bag is filled with helium at atmospheric pressure and 18.0 oC. Assume that the mass of the bag is negligible, what is the required volume of the balloon if the air inside can be maintained at 39.0 oC
A crate of 31.9- tools rests on a horizontal floor. You exert a gradually increasing horizontal push on it and observe that the crate just begins to move while your force exceeds 345. After that you must reduce your push to 247 to keep it moving at a..
A coating is applied to a lens to minimize reflections. what wavelength is minimally reflected for normal incidence in the lowest order
When monochromatic light shines perpendicularly on a soap film (n = 1.33) with air on each side, What is the vacuum wavelength of the light in nm
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