A 45 db sound wave strikes an eardrum whose area is 41
A 45 dB sound wave strikes an eardrum whose area is 4.1 × 10-5 m2.
(a) How much energy is received by the eardrum per second?
W
(b) At this rate, how long would it take your eardrum to receive a total energy of 1.0 J?
years
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What are the roles of preload, hormones, and blood gases on myocardial function. contraction?
A student sitting on a frictionless rotating stool has rotational inertia 0.92kg?m2 about a vertical axis through her center of mass, Ignoring her arm mass, what's her new rotational velocity
What is the sound level of a sound whose intensity is 6.5 × 10-8 W/m2, What is the intensity of a sound whose sound level is 30 dB
Initially, .500 atm of H2 and .500 atm I 2 are mixed in an evacuated 1.0 L flask. The system is allowed to come to equilibrium and it is found tocontain 0.368 atm HI. What is the equilibrium partial pressure of I2 for the reaction shown below
A 45 dB sound wave strikes an eardrum whose area is 4.1 × 10-5 m2. How much energy is received by the eardrum per second
MSP430 is connected to a pressure sensor. The sensor output is between 0.5V and 1.75V. (a) How do you configure the MSP430's ADC12 to perform analog-todigital conversion with maximal resolution. Write your C code.
Discuss the relationship between stroke volume, heart rate and cardiac output. How do these change with incremental exercise? How might they differ in a trained vs. untrained individual?
exhibits Kc = 0.0243 at 342 K. If the standard enthalpy change for this reaction is 10.0 kJ/mol, what is the value of Kc for the following reaction?
A wire is bent in the form of a half loop of radius a=10mm and charged with a line charge density pL=10^-9 C/m. Calculate the field intensity at the center of the loop.
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