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a carnot engine absorbs 465times103 joule from the hot reservoir and expels 312times103 joule to the cold reservoir
a block is connected between two springs on a frictionless horizontally level track the other end of each spring is
a spring is attached to an overhead beam if you put a mass of 170 gram on it and it proceeds to stretch a distance of 7
a particular radioactive source produces 175 mrad of 1 mev gamma rays per hour at a distance of 10 metera find how long
a uniform drawbridge must be held at a 41 degree angle above the horizontal to allow ships to pass underneath the
you measure the length of a distant car to be subtended by an angular distance of 20o if the car is actually 50 meter
a 100 gram aluminum calorimeter contains 250 gram of water the two metals are in thermal equilibrium at 10degc two
two satellites c and d are in different circular orbits about the earth the orbital speed of satellite c is twice that
the earth orbits the sun once a year at a distance of 150 x 1011 meter venus orbits the sun at a distance of 108 x 1011
a windmill has an initial angular momentum of 8220 kgbullm2s the wind picks up and 571 sec later the windmills angular
a 0014 kilogram record with a radius of 15 centimeter rotates with an angular speed of 30 rpm evaluate the angular
a small particle with a mass of 850 10-20 kilogram is oscillating with simple harmonic motion with a period of 300 10-5
on a sightseeing trip in europe sam is riding a tour bus moving north along a straight section of road at 80 ms while
the angular velocity of the rotor changes from omega0300rads to omega1150 radsgt in a time interval deltat120 minutegt
what is the difference between series and parallel connections imagine resistors are connected in seriesa find how are
a uniform 025-kilog thin rod that has an 80-centimeter length is free to rotate about a fixed horizontal axis
suppose an airline allows a maximum of 32 kilogram for each suitcase a passenger brings alonga determine the weight of
a rock is dropped off the side of a bridge and hits the water below 4 second latera determine the rock velocity when it
a car heading north collides at intersection with a truck heading east if they lock together and travel at 28ms at 37o
an experiment is performed on a level road with a car initially traveling at a speed v the car suddenly slams on the
a 1000 kilogram space probe is moving rightward in empty space along the x axis at 6 ms one of the probes rockets is
a tight rope walker who weighs 640 newton walks along a steel cable when he is halfway across the cable creates an
calculate the moment of the inertia of the stick with respect to an axis perpendicular to it and going through its
determine how much would the length of year change if the rotation of the earth stopped suddenly the angular velocity
liquid helium is stored at its boiling point temperature of 42k in a spherical container r030 meter the container is a