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an aluminum cylinder with radius 23cm and length 13cm is heated to 450degc find the net power this cylinder radiates
a certain animal species is equally likely to have blue eyes or brown eyes in a sample of four animals what is the
you have a 25kg copper block at room temperaturea find the energy required to raise the coppers temperature to its
if 0045kg of ice at 0deg c is added to 0250kg of water at 27deg c in a 0130kg- aluminum calorimeter cup what is the
a 500-turn circular coil with an area of 0500 m2 is mounted on a rotating frame which turns at a rate of 200 rads in
a gold prospector finds a solid rock that is composed solely of quartz and gold the mass and volume of the rock are
a student decides to move a box of books into her dormitory room by pulling on a rope attached to the box she pulls
a baking dish is removed from a hot oven and placed on a cooling rack as the dish cools down to 37deg c from 192deg c
a young male adult takes in about 50 10-4 m3 of fresh air during a normal breath fresh air contains approximately 21
a 3000 kg statue is placed on top of a cylindrical concrete y 230 1010 nm2 stand the stand has a cross-sectional area
a spherical balloon is made from a material whose mass is 300 kg the thickness of the material is negligible compared
suppose a tank contains 626 m3 of neon ne at an absolute pressure of 101 105 pa the temperature is changed from 2932 to
during an all-night cram session a student heats up a 0668 liter 0668 x 10- 3 m3 glass pyrex beaker of cold coffee
a 0450kg rock is dropped 140m into 30kg of water if all the rocks kinetic energy is converted to thermal energy in the
a 82 person sits on a 35 chair each leg of the chair makes contact with the floor in a circle that is 15 in diameter
assuming that f 60 hz vs 10 volts r 1000 ohms l 01 mh and c 001 f calculate the peak current through each
a two long parallel wires carry currents of 395 a and 477 a the magnitude of the force per unit lengh acting on each
an inductor has a534-reactance when connected to a600-hzsource the inductor is removed and then connected to
you are measuring the speed of a projectile using sonar if the output frequency of 2655 hz is reflected back and
a clicker is sounding at 12 hz if you are moving towards the clicker at 29 msec what frequency do you hear
water flows through a 27cm -diameter pipe at 21ms if the pipe narrows to 17cm diameter what is the flow speed in the
a parallel-plate capacitor has plates of area 02 m2separated by a distance of 0003 m what is the strength of
a rectangular wooden block of weight w floats with exactly one-half of its volume below the waterline the wooden block
optimus prime is flying straight up at 75ms when he accidentally drops his mega-ray blaster and it falls58 m to the
a carnot engine has a power output of 240 kw the engine operates between two reservoirs at 9 c and 661 ca how much