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the electric potential energy stored in the capacitor of a defibrillator is 100 j and the capacitance is 96 f what is
a 17 nc charge is located at the originpart a what is the strength of the electric field at the position xy 50 cm 0
through an ecology experiment an aquarium half full with water is placed on a scale the scale reads 195 n1 a rock
two sinusoidal waves of the same period by amplitudes of 35 and 60 mm travel in the same direction along a stretched
100g of unknown material is heated to 80oc and then dropped into 50g of water at 20oc in an insulated container the
1 compute the number of electrons in a small electrically neutral silver pin that has a mass of 70 g silver has 47
the earth has a surface temperature of approximately 18oc and radiates like a blackbody using stefan-boltzmannrsquos
the summit of a mountain 2700m above base camp is gauged on a map to be 4580m horizontally from the camp in a direction
you are given a vector in the x y plane that has a magnitude of 860 units and a y component of -400 units assuming the
question about sound interferencethree identical loudspeakers spaced with 30 meters among adjacent speakers play a
the summit of a mountain 2700m above base camp is gauged on a map to be 4580 m horizontally from the camp in a
an airplane releases a ball as it flies parallel to the ground at a height of 145 m as shown in the figure if the ball
two small beads having positive charges 25q and q are fixed at the opposite ends of a horizontal insulating rod
a hydraulic jack utilized to lift cars is called a three-ton jack the large piston is 22 mm in diameter the small one
an electron moving along the x axis has a position given by x 120 te-tnbspm where t is in seconds how far is the
the position of a particle is given by x 31 cos t where x is in meters and t is in secondsa discover the maximum speed
discover the electric field for a uniformly charged solid sphere of radius r and charge density g both inside and
a small plastic sphere with a charge of -50 nc is near another small plastic sphere by a charge of -14 nc if the
gold which has a density of 1932 gcm3 is the most ductile metal and can be pressed into a thin leaf or drawn out into a
the position of a particle is given by x 31 cos t where x is in meters and t is in secondsa find the maximum speed and
a 420-kg object on a frictionless horizontal surface is attached to one end of a horizontal spring that has a force
a container of gas at 230atm pressure and 121c is compressed at constant temperature until the volume is halved it is
1 a 20 kg object is attached to a horizontal spring of force constant k 43 knm the spring is stretched 10 cm from
the mercury manometer shown in the figure figure 1 is attached to a gas cell the mercury height h is 120 mm when the
a diver 50m deep in 10c fresh water exhales a 12-cm-diameter bubblewhat is the bubbles diameter just as it reaches the