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the protein -lactalbumin molecular weight 14000 has been studied under different solution conditions by dynamic light
calculate the moment of inertia of each of the following uniform objects about the axes indicated consult table moments
a box 4kg being transported in the back of a truck that is accelerating forward at 2 the box does not slide relative
a balloon contains 063 mol of helium it rises in maintaining a constant 280 k temperature to an altitude where its
a block with mass 500 slides down a surface inclined 369 to the horizontal the figure figure 1 the coefficient of
a 420-cm diameter wheel consisting of a rim and six spokes is constructed from a thin rigid plastic material having a
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
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