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Phase difference: 90 degrees or 1.5708 radians. If the two microphones were at the same distance from the speaker, the two signals would be in phase: they would lie on top of each other. For the phase dissimilarity shown, what is the minimum distance flanked by the two microphones? If the speed of sound is 306 m/s.
A snowboarder starts from rest and rides 39.47 m down a snow-covered slope that makes an angle of 33.19° with the horizontal, How far will she travel along the flat snow
In a cloud chamber experiment, a proton enters a uniform 0.320 {\rm T} magnetic field directed perpendicular to its motion. You measure the proton's path on aphotograph and find that it follows a circular arc of radius 6.06 {\rm cm}
A copper wire has a 25-m ohm resistance at 20 degrees C. When the wire is carrying a current, What is the change in the wire's resistance
Describe what would be observed if a double slit were illuminated by light of the two yellow mercury lines of wavelengths 577 and 579 nm respectively, calculate the visibility of the fringer near m=50
A 55 kg swimmer is standing on a stationary 225 kg floating raft. The swimmer then runs off the raft horizontally with a velocity of +4.7 m/s relative to theshore. Find the recoil velocity that the raft would have if there were no friction and resist..
A 0.150 T magnetic field B crosses the xy plane perpendicular to the x axis and at an angle of45.0° to the y axis. A square surfacewith side of length 7.00 m lies mostly in the xy plane; however a 1.50 m section of it at one end is bent 90°in the neg..
A 1320-kg racecar is driving around a circular track of radius 161 m. What is the magnitude of the net force acting on the vehicle
A capacitor is connected across the terminals of an ac generator that has a frenquency of 460 Hz and supplies a voltage of 24 V. When a second capacitor is connected in parallel with the first one, the current from the generator increases by 0.18 A. ..
A 575 N woman climbs a staircase that rises at 54 degrees above the horizontal and is 4.10 m long. How much work has gravity done on her as she climbed the stairs
An ice chest at a beach party contains 12 cans of soda at 2.41°C. Each can of soda has a mass of 0.35 kg and a specific heat capacity of 3800 J/(kg C°). Someone adds a 9.97-kg water melon at 23.5 °C to the chest.
What is the surface temperature of Betelgeuse, a red giant star in the constellation of Orion, which radiates with a peak wavelength of about 970 nm
A spherical capacitor is formed from two concentric spherical conducting shells separated by vacuum. The inner sphere has a radius of = 12.1 , and the outer sphere has a radius of = 15.0 . A potential difference of 120 is applied to the capacitor...
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