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A certain guitar string has a length of 0.7 meters and a linear mass density of 1.2 grams/meter. A tension of 24 Nt. is applied to it.
a) What will be the wavelength of the fundamental mode of oscillation when the string is plucked?
b) What will be the fundamental frequency when it is plucked?
c) What will be the speed of the wave on the string?
A 21.8-kg box rests on a frictionless ramp with a 15.7° slope, what is the smallest force F the mover will have to exert to move the box up the ramp
A electron emits radiation of wavelength 255 nm Calculate the maximum kinetic energy of the electron ejected, Calculate the de Broglie wavelength of the ejected electron
Force F = (-9.0 N) i + (5.0 N) j acts on a particle with position vector r = (-5.0 m) j + (1.0 m) k. What is the torque on the particle about the origin
Explain how many atoms strike the umbrella each second? Assume that the wind blows horizontally so that the gravity can be neglected.
The average distance of the planet Mercury from the sun is 0.39 times the average distance of the earth from the sun
A map of a burned area obtained from remote sensing contains 120 pixels. The remote sensing image shows that the fire is isolated to 73 of the 120 pixels.
A passenger train is travelling at 32 m/s when the engineer sees a freight train 384 m ahead of his train travelling in the same direction on the same track. The freight train is moving at a speed of 5.7 m/s.
A frictionless, vertical wire has two metal beads on it. The beads are held 30 cm apart by horizontal magnets, If the two beads each have a mass of 49.7 g, what is the kinetic energy of the second immediately after impact
Laser light with a wavelength lambda = 660nm illuminates a pair of slits at normal incidence.
An x-ray photon of 0.12 nm strikes a metal and undergoes Compton scattering of the electrons in the metal. What is the momentum of the incident photon
Determine the dimentions (in cm) of a rectangular aluminum block (also 40 cm long) that would have the same resistance between the farthest opposing sides as the silver block (part a)
A Carnot engine takes in heat from a reservoir at 470°C and releases heat to the lower-temperature reservoir at 200°C. What is its efficiency.
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