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two hollow metal sphere are concentric with each other the innere sphere has a diameter of 040 m and is at a
a resonant circuit in a radio receiver is tuned to a certain station when the inductor has a value of 0240 mh and the
a rectangular coil lies flat on a horizontal surface a bar magnet is held above the center of the coil with its south
carbon-14 has a half-life of 5730 years if an archaeological sample has only one-fourth of the radioactivity of a
question1 a car has an initial speed of 15 ms-1nbspwhen a truck rolls out of a driveway 18 m ahead of it the driver
a ball rolls down the track shown in figure p924 starting from rest at a height h1 223 m as shown the ball is
discuss how radio stations use electromagnetic waves to send sound information to radio
how many turns should a solenoid of cross-sectional area 0024m2nbspand length 042 m have if its inductance is to be
a 10-mm diameter rod of carbon steel is subjected to a tensile load of 50000 n taking beyond its yield point ys 600
a large capacitance ofnbsp167nbspmf is needed for a certain applicationa calculate the area the parallel plates of such
1 in an lrc circuit why does the sum of the voltages around the circuit not equal the applied voltage as kirchhoffs
explain the working of a radio receiver make it precise and
a long straight wire suspended in the air carries a conventional current of 86 amperes in the -x direction as shown the
1 a ball is thrown upward with an initial velocity of vo 20ms the acceleration due to gravity is g -98 ms2 given that
the half-life of a radioactive isotope is 1 h a what fraction of a sample would e left after 3 h 1 one third 2 one
a sodium atom z11 contains 11 protons in its nucleus strictly speaking the bohr model does not apply because the
a 890-kg hanging object is connected by a light inextensible cord over a light frictionless pulley to a 500-kg block
1 a proton with an initial speed of 600000 ms is brought to rest by an electric fieldpart a - what was the potential
explain why when measuring the voltage of a device the multimeter is connected in parallel with the device but when
in the arrangement shown in the figure below an object of mass 42 kg hangs from a cord around a light pulley the length
a convex mirror has a focal length of -330 cm a 140-cm-tall object is located 330 cm in front of this mirror determine
a plate glass window n 15 has a thickness of 37 mm how long does it take light to pass perpendicularly through the
an electron is placed between two charged parallel plates separated by 20 times 10-2 m the electron accelerates at 50
what is the trade off of moving toward the infrared region of photon detection is there a limit as to how far into the
please help will rate and give points if a correct worked out answer is giventhe rogue starship galaxa is being chased