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you wrap a single layer of copper wire diameter 812mm around a tube diameter 4cm length 28cm to create an air filled
use the absolute derivative dadudadufrom to a dxdu to prove that the inner scalar product of two vectors is preserved
in a simple of the hydrogen atom the electron revolves in a circular orbit around the proton with a speed of 11 x 106
the british gold sovereign coin is an alloy of gold and copper having a total mass of 7988 g and is 22-karat gold a
palmitic acid c16 h32 o2 is a dietary fat found in beef and butter the caloric content of palmitic acid is typical of
a syringe has an area of 07 cm2 at its barrel and then narrows down to an area of 015 mm2 at the needle end if a force
assume that if the shear stress in steel exceeds about 400 108 nm2 the steel ruptures a determine the shearing force
1 suppose a flat roof has a surface area of 920000times101 m2 presume the air inside the building and under the roof is
compound a is a clear colorless liquid with a molecular formula of c7h10 upon treatment of a with h2 gas in the
a 6 ohm and 12 ohm resistor are connected in parallel to 36v battery what is the power dissipated by 60 ohm
180 grams of oxygen is reacted with nitrogen to make 560 grams of nitrogen dioxide according to the following
a fire engine is driving directly away from a solid wall at 21 ms on a hot c day while its siren emits a steady 500 hz
the ropes in the figure are each wrapped around a cylinder and the two cylinders are fastened together the smaller
a 2500 gram metal bar requires 5866kj to change its temperature from 220c to 1000c what is the specific heat of the
a 5 kg mass is connected to a spring 1000 nm platform which undergoes simple harmonic motion in the vertical direction
a 052 um thick soap film n141 in air is illuminated with white light in a direction perpendicular to the film for what
write a nuclear equation to describe the spontaneous fission of 244 am 95 to form i-134 and mo-107 determine how many
water at ground level is moving at a speed of 120 msec in a pipe at a pressure of 850 kpa the pipe goes up to the
neptunium-239 has a half life of 235 days how many days must elapse for a sample of 239np to decay to 0100 of its
a 12-v battery is connected across a device whose resistance is 24 ohms calculate the current in the wire what is the
a 0010 m solution of a weak monoprotic acid is 25 dissociated at 25 c what is the equilibrium constant ka for this
a car with 52cm -diameter tires accelerates uniformly from rest to 20ms in 10s how many ties does each tire
a 14kg block and a 27kg block are attached to opposite ends of a light rope the rope hangs over a solid frictionless
carbon-14 has a half-life of 5730 years currently living organisms decay at a rate of 153 disintegrationsmin per gram
a piccolo can be approximated as a tube that is open at both ends if a piccolo is 22 cm long what is the frequency of