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Question: The ear canal can be viewed as a tube about 2cm long with the eardrum acting as a closed end.
Part A: What is the resonance frequency of that tube? Look up if this is close to the frequency at which the ear is most sensitive.
I want hell to find the resonance frequency of that tube.
Sam, whose mass is 74 kg, straps on his skis and starts down a 67-m-high, 20 ^\circ frictionless slope. Find Sam's speed at the bottom using work and energy
a spacecraft in an orbit about earth has speed 10000 ms at a perigee of 7010 km from earths center. what is the speed
Consider a visual binary star system with a period of 55.41 years. Its measured trigonometric parallax is 0.4217'' and, assuming that the plane of the orbit is in the plane of the sky, the true angular extent of the semi-major axis is 6.69''.
Astronomers measure the width of the spectral lines of a star to be much wider than would be measured in a laboratory. Give two stellar characteristics that could produce this widening
The center of mass for a 1 meter stick is at 49.7cm when placed on an fulcrum. Calculate the net clockwise torque on the meter stick
A heavy sled is being pulled by two people as shown in the figure. The coefficient of static friction between the sled and the ground is ?s = 0.595, what is the sled\'s acceleration
A microwave transmitter emits electromagnetic waves of a single wavelength. The maximum electric ?eld 1.36 km from the transmitter is 6.26 V/m. Calculate the total power emitted by the transmitter
During takeoff, an air plane goes from 0 to 720 km/hr in 10 second. Calculate how fast is it going after 5 second
A block of mass 20kg is dropped into water. What force should be applied to pull it to the surface if its volume is 0.001m^3? Density of water is 1000.0kg/m^3
A light wave was reflected off of a mirror at an angle of37°. What was the incident angle
Find the tangential acceleration of a bug on the rim of a 11.0 in. diameter disk if the disk moves from rest to an angular speed of 78 revolutions per minute in 3.0 second
Approximately how many atoms thick is a cell membrane, assuming all atoms there average about twice the size of a hydrogen atom?
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