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A transverse traveling wave on a cord is represented by D = 0.25 sin (6.8x + 28t) where D and x are in meters and t is in seconds.
Determine the wavelength of this wave.
Determine the frequency of this wave.
Determine the speed of this wave.
Determine the amplitude of this wave.
Determine maximum and minimum speeds of particles of the cord.
A ray of sunlight hits a frozen lake at a 43.9° angle of incidence. At what angle of refraction does the ray penetrate the ice
A car is parked 21.0 m directly south of a railroad crossing. A train is approaching the crossing from the west, What frequency does the car's driver hear when the horn blast reaches the car
A solid, uniform disk of radius 0.250 m and mass 62.3 kg rolls down a ramp of length 4.70 m that makes an angle of 18° with the horizontal. Find the angular speed of the disk at the bottom of the ramp
A sound source emits sounds of frequency 190 Hz that travel by still air at 340 m/s. The listener moves at 75 m/s relative to still air toward the stationary source. What is the wavelength of the sound between source and listener.
The FM radio band covers the frequency range 88-108 MHz. If the variable capacitor in an FM receiver ranges from 11.4pF to 17.2pF , what inductor should be used to make an LC circuit
Air at 1 atm, 36C, 20% relative humidity enters an evaporative cooler at 4 m^3/min. find the outlet humidity ratio
Find the net downward force on the tank's flat bottom, of area 1.60 m^2, exerted by water and air inside the tank and air outside the tank.
Four protons, each with charge +e, are fixed at the corners of a square of side length a, Determine magnitude and direction of the electric field E
This caused Goodly to borrow to meet its obligations, resulting in a drop in its stock price. Are the directors liable? Explain why or explain why not?
If you apply a 4 N force on a string wrapped around an object that has an inertia of 0.03 \mathrm{kg\:m}^2 , what is the angular acceleration you expect from the falling object
An unstable particle with a mass equal to 3.34 multiplied by 10-27 kg is initially at rest. Find the masses of the fragments
An image of the moon is focused onto a screen using a converging lens of focal length f=35.3cm. What is the diameter of the moon's image
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