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The human ear canal is about 2.9 centimeter long. If it is regarded as a tube open at one end and closed at the eardrum, obtain what is the fundamental frequency around which we would expect hearing to be most sensitive?
___________kHz
In a certain cyclotron a proton moves in a circle of radius0.800 m. The magnitude of the magneticfield is 1.10 T. What is the kinetic energy of the proton
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to examine a particular blood sample in biology lab a student uses a compound microscope set to have a magnification of
Please show how you got the answer, thanks! At the top of a hill with slope angle 32o a snow sled is moving at 4 m/s. how fast will the sled be traveling at the bottom
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A 35-kg child is holding for dear life on a playground merry-go-round that has a radius of 2.5m and is turning at a rate of one turn every 5 seconds. What's is the child's acceleration relative to the ground
Draw the free-body diagram of the system and find the value of the force F acting on the piston C.
Calculate the rotational inertia of a meter stick, with mass 0.576 kg, about an axis perpendicular to the stick and located at the 29.9 cm mark
Lightning As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and a cloud at an altitude of 680m to be the other plate. Assume the surface area of the cloud to be the same as the area of a square that ..
a woman at an airport is towing her 20.0-kg suitcase at constant speed by pulling on a strap at an angle icirccedil
A constant horizontal force F of magnitude 20 N is applied to awheel of mass 20 kg and radius 0.5 m. The wheel rolls withoutslipping on the horizontal surface, and the acceleration of its center of mass has magnitude 0.5 m/s^2.
A michelson interferometer is used with a helium-neon laser of wavelength 628.8 nm. A glass-walled chamber of interior length 1.005 cm is placed in one of the beams and the position of the mirror is adjusted until bright light is observed at the dete..
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