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a source emitting sound in air at frequency of 1000 hz recedesfrom an observer with speed 15 speed of sound air is
a 13 kg dog is standing on the edge of astationary frictionless turntable of rotational inertia 95kgmiddotm2 and radius
a 53 kg bundle starts up a 30degincline with 142 j of kinetic energy how far will it slide up the plane if the
what does a low pass filter do how does it changenot change theinput signal what is the difference between a low pass
you push a 15 kg block against ahorizontal spring compressing the spring by 18 cm then you release the block and the
a park merry-go-round consists of a 220 kg circular wooden platform 390 m in diameter four children runningalongside
the radius of a park merry-go-round is 17 m to start it rotating you wrap a ropearound it and pull with a force of 260
five thousand joules of heat is put into a carnot engine whose hot and cold reservoirs have temperatures of 600 and 200
a cardiac pacemaker can be affected by a static magneticfield as small as 17 mt how close can a pacemaker wearer come
a current of 100 ma is maintained in a single circular loop with a circum ference of 160 m a magnetic fieldof0550 t is
an astronaut notices that a pendulum which took 245 rm s for a complete cycle ofswing when the rocket was waiting on
jamie is on the wrestling team and has a mass of 853 kg being a wize in physics he realizes he is over the 8300 n
a 40 kg mass is connected by a light cord to a 30kg mass ona smooth surface the pulley rotates about a frictionlessaxle
the mean distance between earth and the sun is 150 multiplied by 1011 mthe average intensity of solar radiation
a particle of charge q 84 microc is moving at an angleof 24deg with respect tothe x axis with a speed of 235 ms there
a uniform ladder of length 10 feet and weighing 20 pounds leans against a vertical wall while making an angle of 53
scuba divers are admonished not to rise faster than their airbubbles when rising to the surface this rule helps them
a solenoid 152 m long and 260 cm in diameter carries a current of 197 a the magnitude of the magnetic field inside
a stone is thrown with an initial speed of 144 ms at an angle of 54 degrees above the horizontal from the top of a 321
the creation of elements in the early universe and in the starsinvolves protons tunneling through nuclei find the
a light wave was reflected off of a mirror at an angle of15deg what was the incident
a standing wave on a tight string experiment is set up in thelaboratory one end of the string is attached to an
a 628 kg canoeist stands in the middle of her canoe the canoe is 33 m long and the end that is closest to land is 25 m
a laser emits a cylindrical beam of light 25 rm mm in diameterif the averagepower of the laser is 22 rm mw what is the
a heavy flywheel rotating on itscentral axis is slowing down because of friction in its bearingsat the end of the first