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Imagine you are in an open field where two loudspeakers are set up and connected to the same amplifier so that they emit sound waves in phase at 688 Hz . Take the speed of sound in air to be 344m/s. If you are 3.00m from speaker A directly to your right and 3.50 m from speaker B directly to your left, what is the shortest distance you need to walk forward to be at a point where you cannot hear the speakers?
A standing wave pattern is created on a string with mass density = 0.00035 kg/m . A wave generator with frequency f = 62 Hz is attached to one end of the string and the other end goes over a pulley and is connected to a mass (ignore the weight of ..
Using a 677-nm wavelength laser, you form the diffraction pattern of a 0.113-mm wide slit on a screen. How far is the screen located from the slit
Calculate the centripetal force exerted on the Earth by the Sun. Assume that the period of revolution for the Earth is 365.25 days, the average distance is (1.5 x 10^24)kg
The area of a typical eardrum is about 5.0 × 10?5 m2. (a) Calculate the sound power (the energy per second) incident on an eardrum at the threshold of hearing. W (b) Calculate the sound power incident on an eardrum at the threshold of pain. W
Bruce stands on a bank beside a pond, grasps the end of a 10.00-m long rope attached to a nearby tree and swings out to drop into the water. If the rope starts at an angle of 36° with the vertical, what is Bruce's speed at the bottom of swing.
A small metal particle passes downward through a fluid medium while being subjected to the attraction of a magnetic field such that its position is observed to be s = (15t3 - 3t) mm, where t is measured in seconds. Determine (a) the particle's dis..
One ton of coal is burned by a power plant every minute. The energy produced when one kg of coal is burned is 3.2 x 10^7 joules. calculate the efficiency of the power plant
The mass of a regulation tennis ball is 58.0 g (although it can vary slightly), and tests have shown that the ball is in contact with the tennis racket for 31.0 ms. what impulse did he exert on the ball
Discuss the position and size for the n = 1 state of Harmonic Oscillator. How do you picture this state? What is her size relative to the well wall? Does she penetrate the wall much?
a potters wheel is a uniform cylinder i.5mr2 with a radius of .5 meteres and a mass of 15 kg. calculate the applied
A jogger accelerates from rest to 4.67 m/s in 3.48 s. A car accelerates from 19.0 to 32.7 m/s also in 3.48 s. Find the magnitude of the acceleration of the jogger
A basketball player is trying to make a half-court jump shot and releases the ball at the height of the basket. what speed must the player give the ball
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