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the dimensions of atomic nuclei are of the order of 10-13m suppose that two a-particles the nucleus of helium mass of
a heat engine operating between 40oc and 380oc has an efficiency 60 of that of a carnot engine operating between the
a mercury thermometer has a bulb of volume 0100 cm3 at 10oc the capillary tube above the bulb has a cross-sectional
do sound waves exhibit diffraction effects if so determine the slit width that would diffract an audible sound wave
a goldfish lives in a 50-cm-diameter spherical fish bowl the fish sees a cat watching it if the cats face is 20 cm from
many of the elements in horizontal-bar exercises can be modeled by representing the gymnast by four segments consisting
the mass of the airplane is m 9010 kg the plane travels at a constant speed around a circular path of radius r 867
three particles of mass 8 kg 5 kg and 3 kg are connected by rigid rods of negligible mass lying along the y axis and
several algae blooms have been in the news recently use the internet or the strayer library to find one 1 article
a 10-cm-thick layer of water stands on a horizontal slab of glass a light ray in the air is incident on the water 60
a wire has a length of 680 10-2 m and is used to make a circular coil of one turn there is a current of 430 a in the
a particular myelinated axon has nodes spaced 080mm apart the resistance between nodes is 22m ohms the capacitance of
the following table shows the rates of transpiration in three different trees growing under similar conditions
a bat is emitting a sound of 39khz frequency while flying toward a flat wall the bat is moving at150 of the speed of
a 3 kg mass attached to a k27nm spring slides on a frictionless horizontal surface as simple harmonic oscillator at t0
in the system shown in the figure suppose the block has a mass of 33 the spring has a force constant of 450 and the
an air-filled toroidal solenoid has a mean radius of 146cm and a cross-sectional area of 495cm2 the current flowing
during a certain period of time the angular position of a swinging door is described by 503 98t 190t2 where is in
two comets each of mass 6500 kg and traveling 87 ms in opposite directions collide head-on and come to rest how much
a 200g mass lying on a frictionless table is attached to a horizontal spring with a spring constant of 400 nm the
a meter stick with mass 90 grams has a 30 gram particle stuck to its center holding the stick upright so that the
a circus performer stretches a tightrope between two towers he strikes one end of the rope and sends a wave along it
find the fundamental frequency and the next three frequencies that could cause a standing-wave patterns on a string
on a certain game show contestants spin a wheel when it is their turn one contestant gives the wheel an initial angular