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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- Please answer all the questionon the violin has a frequency of 440 Hz. What is the period The open A string of oscillation?e1. 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 lb1) 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?Equipment 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/sA pendulum is 0.7 meters long, a) What is the frequency of its oscillation (Hz)? b). What is the period (s) of the oscillation.
- 4) A simple harmonic oscillator has an amplitude of 3.50 cm and a maximum speed of 26.0 cm/s. What is its speed when the displacement is 1.75 cm? A) 22.5 cm/s B) 15.0 cm/s C) 14.2 cm/s D) 17.0 cm/s E) 11.2 cm/sYou have a stationary mass attached to a compressed spring that is facing horizontal (on a frictionless plane). You give the mass a quick whack with a hammer, such that the mass has an initial velocity of 6.0 m/s. The amplitude of the oscillation of the mass is 4.0 m. How far is the mass from its starting position after 2.0 s? A) 0.50 m B) 0.56 m C) 0.78 m D) 1.0 m E) 1.1 m F) 2.0 m G) 2.3 m H) 4.0 m1. Many structures and materials have what is known as a natural frequency. If we apply a forcing frequency near the natural frequency of a material, the material experiences a phenomenon known as resonance. This equation models resonance: y(t) + (t/2)cos(t) a) Plot y(t) on the time interval 0 ≤ t ≤ 20. b) What is the lim as t approaches ∞ y(t)? How do physical objects like a wine glass react to this limit?