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When responding to sound, the human eardrum vibrates about its equilibrium position. Suppose an eardrum is vibrating with an amplitude of 7.8x10-7 m and a maximum speed of 2.7x10-3 m/s.
(a) What is the frequency (in Hz) of the eardrum's vibrations?
(b) What is the maximum acceleration of the eardrum?
When 16.8 J was added as heat to a particular ideal gas, the volume of the gas changed from 42 cm3 to 87 cm3 while the pressure remained constant at 1.3 atm. (a) By how much did the internal energy of the gas change
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Which vector has the largest x component and y component
What are the d irections of electric field
1. starting from rest a proton falls through a potential difference of 2700 v. what speed does it acquire?2. a long
A clothes dryer runs on 4400 W. If the dryer draws 20 A of current, what is the resistance of the dryer
It has been suggested that rotating cylinders about 9.0 mi long and 6.2 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acce..
A bus accelerates at 1.5 m/s/s from rest for 12s. It then travels at constant speed for 25s, How far did the bus travel
While working in a research lab, you find that it takes 211 J of heat to increase the temperature of 1.53 kg of a material by 44 K
A nylon guitar string has a linear density of 7.0 g/m and is under a tension of 150 N. The fixed supports are distance D = 90.0 cm apart. calculate the frequency of these traveling waves
You are given a spherical mirror and wish to determine its properties. You place an object on its axis, Find the mirror\'s focal length
Provide your answer in m/s in scientific notation to three significant digits (i.e. 1.15*10^2)
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