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to reach a picnic basket an ant walks from his hill located at 600m 500 degress north of east to the basket located at
a certain lightbulb filament when hot has a resistance of 205 the potential difference across the filament at a
assuming a deuteron and a triton are at rest when they fuse according to the reaction shown below neglecting
a 640 nf capacitor is initially charged by a potential difference of 140times103 v later the potential difference is
a large air conditioner has a resistance of 60 ohm and an inductive reactance of 16 ohm the air conditioner is powered
an alpha particle m 668times1027 kg q 320times1019 c circularly orbits a charged sphere at a radius of 500 cm from
a system does 136 j of work on its environment and gains 66 j of heat in the processa what is the change in the
consider a protostellar cloud with temperature t15k and radius r4000au treat the cloud as a blackbodyat what wavelength
a 10 kg block of ice has a temperature of -10degc the pressure is one atmosphere the block absorbs 417 106 j of heat
a charged particle of mass 839times104 kg starts from rest and accelerates through a potential difference of 25000 v to
a particle with a mass of 365times1024 kg and a charge of 640times1019 c starts at rest and is accelerated for a
an ion harvester is scouring deep space for isolated xenon xe ions a xenon ion is singly ionized and has a charge of e
a block of material has a mass of 80 kg and a volume of 41 10-2 m3 the material has a specific heat capacity and
airplane emf a boeing kc-135a airplane has a wingspan of 399 m and flies at constant altitude in a northerly direction
an object 20 cm high is projected onto a screen using a converging lens with a focal length of 35 cm the image on the
a 35 g ping-pong ball rubbed against a wool jacket acquires a net positive charge of 15muc estimate the fraction of the
a typical lightning flash delivers about 30c of negative charge from cloud to ground how many electrons are
the electric field within the membrane separating the inside and outside of a biological cell is approximately 78mvm
block a which is 193 n is placed on a frictionless ramp that is inclined at 15 degrees block b which is 157 n is placed
a 46muc charge is at the center of a cube 65 cm on each side what is the electric flux through one face of the
a 74muc charge and a -43mc charge are inside an uncharged sphere what is the electric flux through the
a medical defibrillator stores 950j of energy in a 100-muf capacitora what is the voltage across the capacitorb if the
the potential difference between the surface of a 22cm -diameter power line and a point 13m distant is 37kv what is the
a rectangular copper strip measures 10mm in the direction of a uniform 29t magnetic field when the strip carries a 73a
a 050 kg object on a 40 cm long string swings in a circle on horizontal table fritionless table string passes through