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a bicycle is turned upsidedown while its owner repairs a flat tire a friend spins the otherwheel of radius 04 m and
a car traveling at 220 msundergoes a constant deceleration of 190 ms2when the brakes are applied how many revolutions
the drawing shows a rectangular piece of wood the forcesapplied to corners b and d have the same magnitude of 12 n and
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 person of mass m is standing at the edge of a large rotatingdisk the disk is rotating without friction and has
a barbers chair with a person in it weighs 2100n the output plunger of a hydraulic system begins to lift the chair when
a car is traveling down around a banked curve in the road the curve has a radius of 300 m and is banked at an angle
a teenager pushes tangentially on a small hand-drivenmerry-go-round and is able to accelerate it from rest to
what is the angular momentum of a 0270 kg ball rotating on the end of a thin string in a circle of radius 140 m at an
consider the record throws for the javelin men 9848 m zelezny 1996 0800 kg and women 7228 m spotakova 2008 0600 kg
the drawing shows two situations in which charges are placed on the xand y axes they are all located at the same
a student holds two lead weights each of mass 14 kg when the students arms are extended horizontally the lead weights
when a 60 microf capacitor is connected to a generator whose rms output is 26 vthe current in the circuit is observed
a 0380 kg steel ball makes an elastichead-on collision with a second ball initially at rest the secondball moves off
an emf of 10 v is connected to a series rc circuitconsisting of a resistor of 13 x 106 omega and a capacitor of29
in a compound microscope the focal lengths of the objective andeyepiece are 050 cm and 20 cm respectively the
suppose fuzzy a quantum mechanical duck lives in aworld in which h 2pi js fuzzy has a mass of 200 kg andis initially
a painters scaffold is supported by cables at each end the scaffold weighs 200 newtons is 18 meters long and is uniform
x-ray pulses from cygnus x-1a celestial x- ray source have been recorded during high-altitude rocket flights the
a funny car accelerates from rest through a measured track distance in time 38 s with the engine operating at a
a marble radius 08 cm and mass60 g rolls without slipping down a rampof vertical height 28 cm what is the speed of the
a 600 turn solenoid is 15cm long the current in it is 35a a30cm long straight wire cuts through the center of the
a guitar string is 60 cmlong the string has a mass of 18g and is under a tensionof 945ncalculate the wavevelocity of
one end of a string 15 mlong is moved up and down with a simple harmonic motion at a frequency of 30 hz the waves reach