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The first three harmonics in an organ pipe are 126 Hz, 378 Hz and 630 Hz. (a) Is the pipe open-open or open-closed? (b) Taking the speed of sound in air to be 340m/s, and the length of the pipe.
A charged particle moves during a velocity selector at a constant speed in a straight line. The electric field of the velocity selector is 3.80*103N/C, while the magnetic field is0.360 T. When the electric field is turned off, the charged particle tr..
A disc undergoes 30 revolutions as it accelerates uniformly from rest to 5 rev/sec. What's the angular acceleration of the disk
During July 1994 the comet Shoemaker-Levy 9 smashed into Jupiter in a spectacular fashion. determine what would have been the change (magnitude only) in Jupiter's orbital speed (not its final speed)
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.40 mm. If a 23.0 V potential difference is applied to these plates, calculate the electric field between the plates
q1. the loaded cab of an elevator has a mass of 3000 kg and moves 181 m up the shaft in 23 s at constant speed. at what
A 0.240 kg piece ofaluminum that has a temperature of -155°C is added to 1.5 kg ofwater that has a temperature of 2.3°C. obtain the mass of water that has been frozen into ice
A railroad car of mass 2.00 x 10^4 kg moving at 3.00 m/s collides, What is the speed of the three coupled cars after the collision
Two wheels are free to spin about the same axle. The moment of inertia of wheel 1 is 2.16 kg m2, and the moment of inertia of wheel 2 is 1.02 kg m2. What is the magnitude of the angular momentum of the two disk system in this initial position
q1. imagine that temperature of atmosphere is constant and is approximately 5degc.define hh2o altitude where the
A fighter jet is launched from an aircraft carrier with the aid ofits own engines and a steam-powered catapult. The thrust of itsengines is 3.44 x 105 N. In being launched from rest itmoves through a distance of 59.7 m and has a kinetic energy of 7..
a block of mass 2.5 kg is placed at a distance d=0.300 m from the spring. from this posistion the block is projected toward the spring with a speed v
A 7.40-nC charge is positioned 1.70 m from a 4.80-nC charge. (a) Find the magnitude of electrostatic force that one particle exerts on the other. (b) Is the force attractive or repulsive.
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