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what will be the equilibrium temperature when a 262 g block of copper at 276degc is placed in a 175 g aluminium
two parallel slits are illuminated with light composed of two wavelengths one of which is 645 nm on a viewing screen
a scuba diver releases a 360 cm diameter spherical bubble of air from a depth of 130 m in a lake suppose the
a special electronic sensor is embedded in the seat of a car that takes riders around a circular loop-the-loop at an
two large parallel conducting plates are 18 cm apart and have charges of equal magnitude and opposite sign on their
a centrifuge is a device in which a small container of material is rotated at a high speed on a circular path such a
a 1500 nf capacitor with circular parallel plates 20 cm in diameter is accumulating charge at threat of 350 mcs at some
assume bubbles formed on the surface of the objects that your were submerging how would these bubbles affect the
suppose there is a small pond near your home a measuring stick is mounted at the end of a pier in order to gauge the
a uniform ladder 10 m long and weighing 50 n rests against a smooth vertical wallnbsp if the ladder is just on the
a 30000 kg truck traveling at 10 msec collides with a 1700 kg car traveling at 25 msec in the opposite direction if
suppose the ball leaves the pitchers hand by velocity of 15 msec directed horizontally take the point of throw to be 2m
three long parallel wires are located in the x-y plane the wire in the middle located along the y-axis at x0 carries a
in a high-energy collision among a cosmic-ray particle and a particle near the top of earths atmosphere 128 km above
a rotating wheel requires 303 sots rotate through 370 revolutions its angular speed at the end of the 303 s interval is
the sun produces energy by nuclear fusion reactions in which matter is converted into energy we can gauge that the sun
a coil has a self-inductance of 600 mh and the current through it changes from 0190 a to 180 a in 0180 s discover the
two glass plates are separated with fine wires with diameters d1 00500 mm and d2 00520 mm as indicated in the figure
a square single-turn coil 0180 m on a side is placed with its plane perpendicular to a constant magnetic field an emf
1 an ordinary glass is full to the brim with 3590 ml of water at 100degc if the temperature decreased to 22degc how
a 20 kg 20-cm-diameter turntable rotates at 100 rpm on frictionless bearings two 500 g blocks fall from above hit the
an am radio station broadcasts isotropic ally equally in all directions with an average power of 320 kw a dipole
a standing wave interference pattern is set up by radio waves among two metal sheets 620 m apart this is the shortest
1 the earth pulls down on you with a gravitational force that we call your weight do you pull up on the earth with the
discover the focal length of a lens that produces an inverted image three times the size of a small object placed on