In the figure, an aluminum wire, of length L₁= 366 cm, cross-sectional area 4.00x102 cm², and density 2.60 g/cm³, is joined to a steel wire of density 7.80 g/cm³ and the same cross-sectional area. The compound wire, loaded with a block of mass m= 7.50 kg, is arranged so that the distance from the joint to the supporting pulley is L₂= 352 cm. Transverse waves are set up on the wire by an external source of variable frequency; node is located at the pulley. Li Aluminium -L₂ Steel m Find the lowest frequency that generates a standing wave having the joint as one of the nodes. Submit Answer Tries 0/10 How many nodes are observed at this frequency? PM PM PM

In the figure, an aluminum wire, of length L₁= 366 cm, cross-sectional area 4.00x102 cm², and density 2.60 g/cm³, is joined to a steel wire of density 7.80 g/cm³ and the same cross-sectional area. The compound wire, loaded with a block of mass m= 7.50 kg, is arranged so that the distance from the joint to the supporting pulley is L₂= 352 cm. Transverse waves are set up on the wire by an external source of variable frequency; node is located at the pulley. Li Aluminium -L₂ Steel m Find the lowest frequency that generates a standing wave having the joint as one of the nodes. Submit Answer Tries 0/10 How many nodes are observed at this frequency? PM PM PM

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Mechanical Properties of Solids

There are three types of matter- solid, liquid and gas. Out of them, solids have a rigid shaped and size. The intermolecular forces of attractions in solids are greatest. Mechanical properties are the physical properties of a material which it shows, when it is provided with certain amount of force or load. These properties are to be kept in mind for various purposes. When a force is applied to an object, the object may or may not get deformed depending upon its elastic property. But every time the object develops a restoring force against the force applied. This is commonly known as stress. If the object changes its dimensions due to the force applied it develops strain ( which is the ratio of change in dimension to the original dimension).

Question

Due in 1 hour, 15 minutes
In the figure, an aluminum wire, of length L₁ = 366 cm, cross-sectional area 4.00×10-2 cm2, and density 2.60 g/cm³, is joined to a steel wire of density 7.80 g/cm³ and the same cross-sectional
area. The compound wire, loaded with a block of mass m = 7.50 kg, is arranged so that the distance from the joint to the supporting pulley is L₂ = 352 cm. Transverse waves are set up on the wire
by an external source of variable frequency; a node is located at the pulley.
Aluminium
L2
Steel
m
Find the lowest frequency that generates a standing wave having the joint as one of the nodes.
Submit Answer Tries 0/10
How many nodes are observed at this frequency?
me
PM
PM
PM

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Step 1: Determine the given variables

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Step 2: Calculate tension in both string and linear mass density of both wire

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Step 3: Calculate number of loops in each wire

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Step 4: Calculate Lowest frequency of the wave

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Step 5: Calculate number of nodes

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