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A woman is standing in the ocean, and she notices that after a wave crest passes by, five more crests pass in a time of 54.1 s. The distance among two successive crests is 33.9 m. What are the wave's (a) wavelength, (b) frequency, (c) period, and (d) speed?
Two in-phase loudspeakers that emit sound with the same frequency are placed along a wall and are separated by a distance of 5.00 m. What is the frequency of the sound
a total of 3.02 x 106 electrons are placed on an initially uncharged wire of length 1.45 m.a what is the magnitude of
The full diameter of a wheel is 99 cm, and its rotational inertia is 6.1kg m^2. What is the minimum mass it could have
The electron beam inside a television picture tube is 0.4 mm in diameter and carries a current of 55 µA. What is the power delivered to the screen by the electron beam
question the angular momentum of a spinning wheel is 231 kg middot m2s. after application of a constant braking torque
A crate of 30.2- tools rests on a horizontal floor. You exert a regularly increasing horizontal push on it and observe that the crate just begins to move while your force exceeds 319. After that you must reduce your push to 227 to keep it moving at a..
An ambulance is generating a siren sound at a frequency of 1,800 Hz. The velocity of sound is 335.0 m/s. The observer is traveling at a velocity of 25.00 m/s away from the ambulance and the ambulance is traveling at a velocity of 28.00 m/s away from ..
A certain current on passing through a galvanometer produces a deflection of 100 divisions. The galvanometer resistance would be
A 0.320 kg croquet ball makes an elastic head-on collision with a second ball initially at rest. The second ball moves off with half the original speed of the first ball. (a) What is the mass of the second ball? kg (b) What fraction of the original k..
A hydrogen atom initially in the ground state absorbs a photon, determine the wavelength and frequency of the photon
If a real object is placed inside the focal point of a diverging lens, the image is_______.
A particle of mass m in a three-dimensional harmonic oscillator of poterntial energy (m w^2 r^2)/2 has spectrum given by E=h bar w(2nr+l+3/2) where nr is the radial quantum number and l is the orbital angular momentum suppose the particle has charge ..
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