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Find the frequency ration r=w/wn at which the amplitude of a single degree of freedom damped system attains the maximum value. Also find the value of the maximum amplitude.
A rock is suspended by a light string. When the rock is in air, the tension in the string is 40.6 N. When the rock is totally immersed in water, What is the density of the unknown liquid
The far point of a nearsighted person is 8.4 m from her eyes, and she wears contacts that enable her to see distant objects clearly. How high is the image formed by the contacts
You are designing a small coil (called a search coil) to measure magnetic fields. It is to have a diameter of 3.80 cm, How many turns should the coil have
A cylinder of mass 8.0 kg rolls without slipping on a horizontal surface. At a certain instant its center of mass has a speed of 11.0 m/s. Determine the translational kinetic energy of its center of mass
if the radius of the equipotential surface of a point charge is 10.5 m, what are the magnitude and sign of the point charge
A particle with a mass of 3.00 10-20 kg is oscillating with simple harmonic motion with a period of 3.50 10-5 s and a maximum speed of 8.00 103 m/s. Calculate the angular frequency of the particle
A violin string is 33 cm long. The wave speed is 140 m/s. what are the wavelengths of the first 3 harmonics
Diagnostic ultrasound of frequency 3.03 MHz is used to examine tumors in soft tissue. (a) What is the wavelength in air of such a sound wave? (b) If the speed of sound in tissue is 1340 m/s, what is the wavelength of this wave in tissue? (Take the sp..
A 1.0mL syringe has an inner diameter of 6.0mm , a needle inner diameter of 0.29 mm , and a plunger pad diameter (where you place your finger) of 1.2 cm . A nurse uses the syringe to inject medicine into a patient whose blood pressure is 140/100mmHg...
The generator at a power plant produces AC at 23,000 V. A transformer steps this up to 335,000 V for transmission over power lines. how many turns must there be in the output coil
A 0.54-kg particle has a speed of 2.0 m/s at point A and kinetic energy of 7.5 J at point B. What is its speed at point b
A copper pipe with an outer radius of 0.014 m runs from an outdoor wall faucet into the interior of a house. Find the inner radius of the pipe
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