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1 how much heat is required to change 50 g of ice at 0 oc into liquid water at 0 oc answer 4000 cal 2 if 350 g of water
an electrical current of 870 ma exists in a solid cylindrical wire whose diameter is 120 mm calculate the magnitude of
suppose a flat roof has a surface area of 131000times102 m2 presume the air inside the building and under the roof is
an ideal step-down transformer has a primary coil of 340 turns and a secondary coil of 11 turns its primary coil is
an electric charge q is uniformly distributed throughout a non-conducting solid sphere of radius r determine the
stone mountain near atlanta ga has a skyride which is a gondola suspended from a cable that takes people to the top of
a large air conditioner has a resistance of 80 acopyand an inductive reactance of 17 acopy the air conditioner is
a single-turn current loop carrying a current of 532 a is in the shape of a right triangle with sides 611 900 and 109
the wire in the figure below carries a current of 14 a suppose that a second long straight wire is placed right next to
question 1a show that the spectrum of thermal radiation for t300k peaks at approximately 10 micronsb at what frequency
what is the resistivity p of a resistor what characteristics of a resistor affect the resistivity write a formula for
parachutist a parachutist weighing 80 kg including the parachute falls with the parachute open at a constant 85-ms
consider a simple rc series circuit with r 10ko and c 05microf with initial voltage of capacitor be 15va draw the rc
a crown weighed in air is found to have the same weight as a 51 kg mass while the same crown under water seems to weigh
a plane polarized electrodynamics wave travelling in a dielectric medium of refractive index n is reflected at normal
1 the approximate inside diameter of the aorta is 050 cm that of a capillary is 10 microm the approximate average blood
an electric clothes dryer has a heating element with a resistance of 96 a what is the current in the element when it is
the 30n uniform rectangular plate is supported by a pin at a and cable bc attached at corner b a 65n weight hangs from
must show complete work with correct answer in order to receive 5 starsshow transcribed image text light of a single
prior knowledge questions do these before using the gizmoon the night of a full moon mary decides to do an experiment
question 1 a 2000 cubic cm carnot engine using an ideal gas operates between two heat reservoirs the source reservoir
consider an air standard jet engine cycle operating in a 280k 100 kpa environment the compressor requires a shaft power
1 the length and width of a rectangular room are measured to be 3955 or - 0005 m and 3050 or - 0005 mcalculate the
in youngs double-slit experiment the distance y between 2nd order bright fringe and the central bright fringe on a flat
a pyrotechnician releaseas a 3 kg firecracker from rest at t 04 s the firecracker is moving downward with a speed 4 ms