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a 650 x 105 kilogram subway train is brought to a stop from a speed of 0500 meter per second in 0400 m by a large
a rectangular loop of wire carrying a 40 amp current is located in a magnetic field of 060 t the magnitude of the
a cranes trolley at point p moves for a few seconds to the right with constant acceleration and the 875 kilogram load
the electric field between the plates of a parallel-plate capacitor is horizontal uniform and has a magnitude e a small
a 089 meter aluminum bar is held with its length parallel to the east-west direction and dropped from a bridge just
the 665 kilogram climber is supported in the chimney by the friction forces exerted on his shoes and back the static
a heart pacemaker fires 79 times a minute each time a 260-nf capacitor is charged by a battery in series with a
a 120 volt battery is connected across two parallel metal plates of area 285 cm2 and separation 820 millimeter a beam
a shot-putter throws the shot mass 73 kilogram with an initial speed of 143 ms at a 30o angle to the horizontal
four point charges of magnitude 26 x 10-6 c are at the corners of a square of side 4 metera determine the electrostatic
a 116 gram cube of ice at 0degc is dropped into 10 kilogram of water that was originally at 82degc determine what is
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