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two conductors are made of the same material and have the same length l conductor a is a hollow tube with inside
a column of soldiers marching at 137 steps per minute keep in step with the beat of a drummer at the head of the column
an 876 g lead ball is dropped from rest from a height of 560 m the collision between the ball and the ground is totally
a man holds a double-sided spherical mirror so that he is looking directly into its convex surface 408 cm from his face
a flat circular coil with 107 turns a radius of 432 10-2 m and a resistance of 0472 is exposed to an external
two spheres of masses m 108 g and m 108 102 kg are isolated from all other bodies and are initially at rest with
05m side wooden cube floats on the lake surface with 23 of the cube submerged under the water calculate the minimum
a youngrsquos double slit system consists of slit spacing d1mm and slit width a08microm what is the intensity of the
the diamagnetic susceptibility due to the ion cores in metallic copper is -020 times 10-6 knowing that the density of
one blade of a pair of scissors rotates clockwise in the xy plane what is the direction of omega vec what is the
suppose a cars standard tires are replaced with tires 130 times larger in diameter then what will the speedometer
a diver of mass 68 kg stands at the end of a uniform diving board of mass 16 kg and length 45 m the board is attached
a spring-block system executes simple harmonic motion the mass of the block is m 12 kg and the total energy is e 18 j
the net entropy changes when a 81g ice cube initially at 0 degrees c melts in a room what is the net entropy change if
gas in a container is at a pressure of 15 atm and volume of 4 m3 what is the work done on gas a if it expands at
15 o and 131 i are isotopes used in medical imaging 15 o is a beta-plus emitter 131 i a beta-minus emitter what are the
a siphon as shown in the figure figure 1 is a convenient device for removing liquids from containers to establish the
a large tank with diameter d open to the air contains water to a height h a small hole with diameter d d ll d is
a 100g cube of ice at 273k is dropped into 1kg of water that was originally at 353k what is the final temperature of
a 54g ice cube can slide without friction up and down a 33 degree slope the ice cube is pressed against a spring at the
if the volume of an ideal gas is held constant what happens to the pressure if the absolute temperature is cut in halfa
the atomic mass of ammonia is 17 atomic mass units what is the atomic mass of nitrogen if a molecule of ammonia
what are room temperature 68 deg f and body temperature 986 deg f on the celsius scale choose one answer a room temp
youre driving behind an ambulance on the highway at a speed of 65 mph if the speed of the ambulance is 60 mph will the
youre listening to a loudspeaker with an initial output of 50 watts and someone turns it up to 100 watts will the music