A 12.5g clothesline is stretched with a tension of 22.1N between two poles 7.66m apart Part a) What is the fundament frequency in Hz Part b) What is the frequency of the second harmonic in Hz?
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- When the amplitude of vibrating mass-on-spring system is tripled, the system changes frequency by what factor? a. Increases by 3 b. Increases by 2 c. Increases by 5 d. Remains the samePlease answer all the questionon the violin has a frequency of 440 Hz. What is the period The open A string of oscillation?e
- 1. A building in San Francisco has light fixtures consisting of small 2.35-kg bulbs with shades hanging from the ceiling at the end of light, thin cords 1.50 m long. If a minor earthquake occurs, how many swings per second will these fixtures make?SP-1 The equation for the period of a simple pendulum is T = 2n %3D a) Find the length L of a simple pendulum that will have a period of 2.00s on the earth's surface. b) If the pendulum from part a) is taken to the noon where g-1.67m/s, what will the period be? PP-4 A round object of mass m-2.00kg and radius 0.200m that 99+ hpR13-3. Block B rests on a smooth surface. If the coefficients of friction between A and B are µ, = 0.4 and Hz = 0.3, determine the acceleration of each block if F = 50 lb. %3D 20 lb 50 lb
- 2.3. The solution for damped simple harmonic motion is given by -rt/2m(C, eiw't + Cze-iw't) X = e If x = A coso at t= 0, find the values of C, and C2 to show that i = -w'Asin o at t = 0 only if r/m is very small or o = T/2. 2.4. A capacitance C with a charge qo at t = 0 discharges through a resistance R. Use the voltage equation q/C + IR = 0 to find charge and the relaxation time of this process.1. A ferri wheel of radius 24m placed 1m above the ground rotates once every 24s. If Irina gets on the ride at a height of 13m above the ground and it start by rising, write sinusoidal function that describes the height of Irina from her starting point.1) A student suspends a 0.3 kg mass from an ideal spring and measures the equilibrium displacement of the spring to be 5.5 cm. Calculate the spring constant. 2) She then gently pulls the mass down and releases it, so it oscillates harmonically. a) Calculate the angular frequency of oscillation. b) Calculate the period of oscillation. c) Calculate the number of cycles the oscillating mass complete every second.
- Example B: A 7.0 kg mass stretches a spring .60 m. a) Find the spring constant, k. b) What is the frequency with which the mass vibrates?The poor shock absorbers of a car really oscillate up and down after hitting a bump. The mass of the car is 2000 kg, and the spring constant of the shock absorbers is 7000 N/m. Calculate the period and frequency of a car. a) 2.36 s and 0.42 Hz b) 5.36 s and 0.19 Hz c) 4.36 s and 0.23 Hz d) 3.36 s and 0.30 HzEquipment to be used in airplanes or spacecraft is often subjected to a shake test to be sure it can withstand the vibrations that may be encountered during flight. A radio receiver of mass 4.67 kg is set on a platform that vibrates in SHM at 142 Hz and with a maximum acceleration of 98.0 m/s2 (= 10.0g). A) Find the radio’s maximum displacement. in M B) Find the radio’s maximum speed. in m/s