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When you stand directly between two speakers that emit the same single frequency out of phase, you hear no sound. The sound is maximum when you step 0.5m towards one speaker, away from the other. What is the largest possible wavelength of this frequency?
A) 0.25m
B) 0.5m
C) 1.0m
D) 2.0m
E) 4.0m
The intensity of an earthquake waves passing though the Earth is measured to be 2.0 x 10^6 J/m^2xs at a distance of 48km from the source. What was its intensity when it passed a point only 1.0km from the source
An X-ray photon scatters from a free electron at rest at an angle of 175%u2218 relative to the incident direction, Determine the energy of the incident photon
A hockey puck is swung at the end of a very slight 30 cm long string in a horizontal circle. what is the tension force supplied by the string
A satellite has a mass of 6133 kilogram and is in a circular orbit 4.40 x 105 meter above the surface of a planet. Find what would be the true weight of the satellite if it were at rest on the planet's surface
Two identical cars (m = 1350 kg) are traveling at the same speed of 26.9 m/s. compute the magnitude of the total momentum of the two cars
A 220g baseball is pitched at 25m/s spinning at 43rad/s. What fraction of its kinetic energy is rotational
question1a neutron star and a black hole are 2.400e12 m from each other at a certain point in their orbit. the neutron
A person with bifocal vision has a prescription of -1.75D/+1.50D, which represents the refractive power of the lenses to correct myopia and presbyopia, respectively. What is the focal length of each lens
A 10cm long thin glass rod is uniformly charged to +50nC. A small plastic bead, charged to -5.3nC,is 4.4cm from the center of the rod
One kilogram of dry air is warmed from 20ºC to 70ºC under a constant pressure of 1atm. Calculate the change in internal energy
A vector has components of 12.0 units along the x axis and 14.0 units along the y axis. What is the magnitude of the vector? What is the angle among the vector and the x axis (degrees)?
Gas is contained in an 8.09 liter vessel at a temperature of 20.6oC and a pressure of 8.84 atm. Determine the number of moles of gas in the vessel. How many molecules are in the vessel
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