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a frictionless pulley has the shape of a uniform solid disk of mass 600 and radius 280 a 270stone is attached to a
a thin light wire is wrapped around the rim of a wheel as shown in the following figure the wheel rotates without
calculate the moment of inertia of each of the following uniform objects about the axes indicated consult table moments
the angular velocity of a flywheel obeys the equation where is in seconds and and are constants having numerical
a faulty model rocket moves in the xy-plane the positive y-direction is vertically upward the rockets acceleration has
direction of velocity at various times in flight for projectile motion conceptual question for each of the motions
a small rock is thrown vertically upward with a speed of 120 from the edge of the roof of a 360 tall building the rock
after driving a portion of the route the taptap is fully loaded with a total of 23 people including the driver with an
communications satellites are placed in orbits so that they always remain above the same point of the earths surface a
there is evidence that elephants communicate via infrasound generating rumbling vocalizations as low as 14 hz that can
a space probe is traveling in outer space with a momentum that has a magnitude of 75 x 107 kgms a retrorocket is fired
the area of a typical eardrum is about 50 times 105 m2 a calculate the sound power the energy per second incident on an
the toadfish makes use of resonance in a closed tube to produce very loud sounds the tube is its swim bladder used as
a slingshot fires a pebble from the top of a building at a speed of 140ms the building is 310 m tall ignoring air
an outside loudspeaker considered a small source emits sound waves with a power output of 100 w a find the intensity
the overall length of a piccolo is 320 cm the resonating air column vibrates as in a pipe that is open at both ends a
a pipe open at both ends has a fundamental frequency of 360 hz when the temperature is 0degc a what is the length of
a 470g golf ball is driven from the tee with an initial speed of 520 ms and rises to a height of 246 m neglect air
a solar water heater for domestic hot-water supply uses solar collecting panels with a collection efficiency of 470 in
the range of human hearing extends from approximately 20 hz to 20000 hz find the wavelengths of these extremes at a
a commuter train blows its horn as it passes a passenger platform at a constant speed of 300 ms the train horn sounds
a steel wire with mass 29 g and length 123 m is strung on a bass so that the distance from the nut to the bridge is 110
two moles of a monatomic gas with an rms speed of 294 ms are contained in a tank that has a volume of 012 m3 if each
some hydrogen gas is enclosed within a chamber being held at 200 c with a volume of 0025 rm m3 the chamber is fitted