In the arrangement shown in the figure below, an object of mass m = 4.0 kg hangs from a cord around a light pulley. The length of the cord between point P and the pulley is L = 2.0 m. (Ignore the mass of the vertical section of the cord.) Vibrator - (a) When the vibrator is set to a frequency of 120 Hz, a standing wave with six loops is formed. What must be the linear mass density of the cord? |× kg/m (b) How many loops (if any) will result if m is changed to 144 kg? (Enter 0 if no loops form.) X loops (c) How many loops (if any) will result if m is changed to 14 kg? (Enter 0 if no loops form.) X loops

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Q: In the figure below, three masses are positioned as shown. What is the magnitude of F13? у (ст)…

A: Here m1  = 100 g          m2 = 200 g          m3 = 300 g  Distance between m1 and m3 = 4 cm

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A: Answer:-  Given  Electric field (E) = 295 V/m  Electric potential difference (VB - VA) = ?  We know…

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Q: 1. A force of 5250 N is applied to a 300 kg box for 3.5 s. The box is initially at rest on a…

A: a) Impulse =Change in momentum =Force×Duration of the force   =5250×3.5 N.s=18375 N.s≈1.8×104 N.s

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Q: ple of a gas is in a sealed test tube is cooled. Describe what happens to: (a) The size of the…

A: Given:-  A sample of a gas is in a sealed test tube is cooled. Find:- Describe what happens to:…

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A: How large a force is required to accelerate a 1300 kg car from rest to a speed of 20 m/s in a…

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A: Voltage of circuit = 50 V  Current flowing in circuit = 9 A

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A: We can solve this by resolving the vector in component

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Q: 105. Which diagram correctly shows a magnetic field configuration? (1) (3) (2) (4) 106. The diagram…

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Q: hopefull solutions. A 35 cm diameter tank is filled with water to a height of 117 cm. The tank is…

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A: Given Speed of the airplane is v=180 km/h The airplane is h=160 m above the land.   Diagram

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A: Given data: The incidence angle is θi=51°,

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A: No, It is not necessary to apply force on an object to keep it moving.

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A: Given data:  Mass (m) = 950 kg Velocity (v) = 12 m/s Radius (r) = 28 m Required: The acceleration…

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Q: If the frequency of a mass-spring system is 0.89 Hz, and the spring constant is 10 N/m, What is the…

A: Given Frequency of the mass-spring system is given as f=0.89 Hz Spring constant is k=10 N/m   We…

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A: Given:-  you ran full lap around a circle of radius 100 m .

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Q: 1. A 1.5 kg basketball ball is moving to the west at a speed of 7 m/s to the west. Calculate the…

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Q: What is the relationship between the frequency f of a harmonic oscillating wave and its period T ?

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A: If a magnetic field is induced by an electric current or a change in an electric field, it is said…

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Q: B 15. 25 KN 30

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Q: S5. Two small uniform smooth spheres have masses m and 3m, and speeds 7u and 2u in…

A: Write the given values with the suitable variables. m1=mm2=3mu1=7uu2=-2uv1=0 Here, v1 is the…

Q: A 5.1 mH inductor is connected to a 3.5 V, 818.3 Hz source. What is the inductive reactance (in…

A: Determine the expression for the angular frequency.

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Q: 4. Two Disney characters are pulling a large seashell. Aladdin pulls the seashell at a bearing of…

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Q: Why the current drops and decays down to zero as the capacitor charges and the time increases?

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Q: 3. In the figure below, the coefficient of sliding friction for all contact surfaces is 0.20. When…

A: Coefficient of sliding friction=0.20

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A: Gravitation field strength is define as the gravitation force per unit mass

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Q: A 252-g object is attached to the end of a horizontal spring. It is pulled with a 7-N horizontal…

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Q: Solve the following problems below. Show complete solution.  1. A copper wire is 2.50 m long and has…

A: Given DataV=3.5VL=2.5mD=2.5mm=2.5×10-3mCopper Resistivity ρ=1.68×10-8Ωm

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A: Given data: The equation of potential is, V=14πε0qr

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Q: 24.41 In the figure, suppose that the 1 transmission axes of the left and right polarizing disks are…

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Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.