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consider an object that is in an elliptical orbit with semimajor axis a 31times106 m about a planet of mass m
the range of human hearing extends from approximately 20 hz to 20000 hz find the wavelengths of these extremes at a
a 620 m length of insulated copper wireis wound to form a solenoid of radius 17cm the copper wire has a radius of 048mm
an unknown gas is introduced into the aforementioned apparatus using the same tuning fork and the first resonance
use the worked example above to help you solve this problem figure a shows a simple apparatus for demonstrating
a heavy rainstorm dumps 10cm of rain on a city 3km wide and 6 long in a 2- h periodpart a how many metric tons 1 metric
in certain ranges of a piano keyboard more than one string is tuned to the same note to provide extra loudness for
a room has a volume of 128 m3 an air-conditioning system is to replace the air in this room every twenty-three minutes
a determine the electric field strength at a point 100 cm to the left of the middle charge shown in the figure below nc
an angstrom symbol a is a unit of length defined as 10-10 which is on the order of the diameter of an atompart a how
an iron block of unknown mass is heated to 200 degrees celsius it is then placed on a 500 gram block of ice at zero
a fuel pump sends gasoline from a cars fuel tank to the engine at a rate of 589 10-2 kgs the density of the gasoline is
the coefficent of static friction between the floor of a truck and a box resting on it is 033 the truck is traveling at
an 34-kg person puts on a life jacket jumps into the water and floats the jacket has a volume of 34 10-2 m3 and is
a 100 gram iron block that has been heated to 200 degrees celsius and a 150 gram aluminum black that has been heated to
the density of ice is 917 kgm3 and the density of sea water is 1025 kgm3 a swimming polar bear climbs onto a piece of
a dump truck uses a hydraulic cylinder as the drawing illustrates when activated by the operator a pump injects
an airtight box has a removable lid of area 160 10-2 m2 and negligible weight the box is taken up a mountain where the
a bar of gold measures 016 m cross 0056 m cross 0049 m how many gallons of water have the same mass as this
a what length of pipe open at both ends has a fundamental frequency of 377 102 hz find the first overtoneb if the one
use the worked example above to help you solve this problem a pipe is 238 m longa determine the frequencies of the
a find the fundamental frequency and second harmonic if the tension in the wire is increased to 112 n assume the wire
two steel guitar strings have the same length string a has a diameter of 060 and is under 4500 of tension string b has
there is a a bright 10000 w light bulb shining in all directions that is in the middle of a large room a thin black 1
an alert physics student stands beside the tracks as a train rolls slowly past he notes that the frequency of the train