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a 85 gram ice cube at 0degc is located in 730 gram of water at 22degc evaluate what is the final temperature of the
find what mass of water at 21degc must be allowed to come to thermal equilibrium with a 180 kilogram cube of aluminum
a concrete slab is 125 centimeter thick and has an area of 43 m2 electric heating coils are installed under the slab to
an undiscovered planet many light years from earth has one moon which has a nearly circular periodic orbit if the
two point charges have a total charge of 277 uc when located 161 meter apart the force each exerts on the other is 158
the specific heat of a substance varies with temperature according to the function c020 014t 0023t2 with t in oc and
a hanging wire has a length of 190 meter when a steel ball of mass 59 kilogram is suspended from the wire the wire
an aluminum cup contains 225 gram of water and a 40 gram copper stirrer all at 27degc a 410 gram sample of silver at an
an unknown substance has a mass of 0125 kilogram and an initial temperature of 874degc the substance is then dropped
a 73 gram ice cube at 0degc is heated until 64 gram has become water at 100degc and 90 gram has become steam at 100degc
two 20-cm-diameter insulating spheres have a 600 cm space among them one sphere is charged to 640nc the other
calculate how much energy is required to change a 55 gram ice cube from ice at -25degc to steam at
a single slit forms a diffraction pattern with the first minimum at an angle of 400deg from central maximum when
a pond with a flat bottom has a surface area of 698 m2 and a depth of 30 meter on a warm day the surface water is at a
while helping an astronomy professor you find a binary star system in which the two stars are in circular orbits about
the length of an individuals forearm and hand is 300 centimeter and the mass of an individuals hand and forearm is 150
an archer fires an arrow by an initial velocity of 21 ms at an angle of 50 from the horizontal the arrow lands on a
a glass windowpane in a home is 062 centimeter thick and has dimensions of 112 m times 210 m on a certain day the
three point charges are placed at distances of d 2d and 3d from a point p the particle that is 2d away from p has a
a 020 kilogram baseball is dropped and reaches a speed of 10 ms just before it hits the ground it rebounds with a speed
a single slit forms a diffraction pattern with monochromatic light the 8th minimum of the pattern occurs at an angle of
a 116 gram cube of ice at 0degc is dropped into 10 kilogram of water that was originally at 82degc determine the final
an uncharged nonconductive hollow sphere of radius 120 cm surrounds a 140 microc charge located at the origin of a
a 85 gram ice cube at 0degc is located in 730 gram of water at 22degc determine the final temperature of the
a 150 gram aluminum cup contains 1100 gram of water in thermal equilibrium with the cup at 80degc the combination of