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Apartment dweller will testify that bass notes are more distincty heard from music played in nearby apartments. Why do you suppose lower frequency sound get through walls floors and ceiling moreeasily?
A spherical steel shell with shell thickness 10 mm rolling down the ramp without slipping.assume that the density of aluminum.
Consider an elevator that is hanging from a strong cable. The elevator is initially at rest. It then accelerates upwards for 2 seconds, due to the cable pulling. It then then slows down, still moving upwards, until it comes to a stop. Pick out any..
Explain, in detail, why the dust clings to the wheels. Be sure to describe forces by name and mention charging by induction, conducting, or rubbing, if it is appropriate. Also illustrate what atoms on Mars must be composed of.
Suppose that the terminal speed of a particular sky diver is 165 km/h in the spread-eagle position and 305 km/h in the nosedive position. Assuming that the diver's drag coefficient C does not change from one position to the other, find the ratio of t..
A monoatomic gas is contained in a vessel from which it leaks through a fi ne hole of area A. Show that the average kinetic energy of molecules leaving through the hole is 2kBT.
An air parcel moves northwards and becomes entrained in a strong westerly flow, circling the entire globe in the space of a few weeks. State the name given to this high-level flow and define briefly how its structure is related to lateral and vert..
A 280-kg cylindrical piece of concrete pipe 1.0 m in diameter, 1.3 m long, and 3 cm thick is rolling toward you at a speed of 5 m/s. What is its approximate rotational angular momentum
At what angle is the curve banked? The acceleration due to gravity is 9.8 m/s2.
a support cable runs from the top of the boom to the tractor. The angle between the support cable and the horizontal is 32°, and the angle between the boom and the horizontal is 48°.
A long horizontal wire carries 26.0A of current due north. The Earth's field 22.0cm due west of the wire points north but downward, 47° below the horizontal, and has magnitude of 5.0×10-5T.
A meter stick is found to balance at the 49.7-cm mark when placed on a fulcrum. What is the mass of the meter stick
The lowest note on a grand piano has a frequency of 27.5 Hz. The entire string is 2.00 m long, What tension is needed to tune this string properly
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