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If the tension in a guitar string is increased by 20%, by what percentage does the wave speed increase?
Derive the 5 volt reference from a 5 volt source. Apply a 1 KHz sine wave. Vary the amplitude of the input voltage and sketch the input and output waveforms.
A transverse wave on a string is described by the equation y(x, t) = (2.27 cm) sin[(109 rad/s)t + (13 rad/s)x]. How fast does the wave move along the string
You slip a wrench over a bolt. Taking the origin at the bolt, the other end of the wrench is at x=18cm, y=5.5cm. What is the torque on the bolt
Green light at 543 nm is diffracted by a grating with 3000 lines per cm. Through what angle is the light diffracted in the first order
Light of wavelength 520 nm passes through a slit of width 0.230 mm. How far is the screen from the slit
A ball is thrown horizontally from a height of 16.2 m and hits the ground with a speed that is three times its initial speed. What was the initial speed?
An electric blanket is connected to a 120-V outlet, What is the resistance of the heater wire in the blanket
A wrench 0.3 meters long lies along the positive y-axis, and grips a bolt at the origin. A force is applied in the direction of langle 0, 1, 2rangle at the end of the wrench. Find out the magnitude of the force in newtons needed to give 100 newton..
A 74 trampoline artist jumps vertically upward from the top of a platform with a speed of 5.0 m/s. How can I find how much he depresses it if there is a spring constant of 6.2*10^4.
A charge of density p is distributed uniformly along an arc representing a half of a cirle of radius r. Determine the electric field intensity vector at an arbitrary point
An object fired at an angle of 35.0(degrees) above the horizontal takes 1.87s to travel the last 11.4m of its vertical distance, With what velocity was the object launched
Suppose 60kW is to be transmitted over two 0.150? lines, Estimate how much power is saved if the voltage is stepped up from 200V to 2000V
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