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Sound enters the ear, travels through the auditory canal, and reaches the eardrum. The auditory canal is approximately a tube open at only one end. The other end is closed by the eardrum. A typical length for the auditory canal in an adult is about 3.2 cm. The speed of sound is 347 m/s. What is the fundamental frequency of the canal?
A jet airplane is in level flight. The mass of the airplane is m=8850 kg. at what angle is the airplane banked
a 97-mw vertically polarized laser beam passes through a polarizer whose polarizing angle is 15deg from the horizontal.
A 0.30-m-radiusautomobile tire accelerates from rest at a constant 2.0rad/s2 overa 5.0-s interval. What is the tangential component of acceleration
a 4.6 kg dog stands on a 20 kg flatboat at distance D = 6.1 m from the shore. It walks 2.2 m along the boat toward shore and then stops. find how far the dog is then from the shore
When a particle is at the origin, it has a velocity given by vo = (12i + 15j)ms-1. How long does it take the particle to hit the y-axis
A barge of mass 5.0 104 kg is pulled along the Erie Canal by two mules, How much work is done on the barge by both of these mules together as they pull the barge 150 m along the canal
A hydrogen atom initially in the ground state absorbs a photon, which excites it to the n = 11.0 state. Determine the frequency of the photon
A very powerful vacuum cleaner has a hose 2.61 cm in diameter. With no nozzle on the hose, what is the weight of the heaviest brick that the cleaner can lift
Polonium-210 decays to the ground state of Lead-206 by the emission of a 5.305-MeV alpha-particle with a half-life of 138 days. What mass of Polonium-210 is needed to produce 1 MW of thermal energy from its radioactive decay?
Donald Duck and his nephews manage to sink Uncle Scrooge's yacht (m = 3781 kg), which is made of steel (? = 7850 kg/m3). In typical comic-book fashion, they decide to raise the yacht (which is now on the bottom of a lake) by filling it with ping-p..
A ball is thrown upward in the air by a passengeron a train that is moving with constant velocity. Describe the path of the ball as seen by the passenger
Jessica's weight is 540 newtons. According to the Third Law, if the Earth pulls on Jessica with a force of 540 N, then Jessica pulls on the Earth with a force of 540 newtons that acts in the opposite direction.though , if Jessica stumbles while rol..
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