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of the atoms a scandium sc b calcium ca and c lithium li one tends to lose three electrons another tends to lose two
you drink a small glass of water that is 999999pure water and 00001 some poison assume the glass contains about a
find what the quantity of heat is needed to raise the temperature of a 15-kgpiece of steel from 0cto 90c the specific
monochromatic light with a wavelength of 500 nm is incident on two slits separated by a distance of 02 mm a diffraction
two metal rods with the same geometry but made of different metals are welded togather the thermal conductivities are
in a fit a toddler throws straight down his favorite 15nbspkg toy with an initial velocity of 29 ms what is the
1 a nail gun fires a nail into a piece of wood the nail is going a velocity of 68 msright before entering the wood the
a 550-turn solenoid 19 cm long has a diameter of 28 cm a 20-turn coil is wound tightly around the center of the
a solenoid of radius 10 m with 800 turns and a length of 49 m surrounds a pigeon cage part a what current must be in
a 488 hz sound wave travels through a substance the wavelength of the sound wave is measured to be 29 meters what is
an iron tower in is 381 meters tall on a cold day t -61 degrees celsius what is thenbspfinalnbspheightnbsptotalnbspof
an iron tower in is 324 meters tall on a cold day t -69 degrees celsius what is the final height totalof the tower on
a bungee cord is stretched between two poles with a force of 373 n the length of the cord is 33 meters and it has a
a huge explosion is heard 588 miles away how long does it take the sound to travel that far assume ambient air
a submarine dives to a depth of 191 feet in the ocean what is the force in pounds acting on a hatch that has an area of
a 004 kg aluminum bullet traveling at 444 ms strikes an armor plate and comes to a stop if all its energy is converted
a 465 hz sound wave travels through a substancethe wavelength of the sound wave is measured to be 22 meters what is the
the air inside a bicycle tire pump has 170 joules of work done on it as 849 joules of heat is conducted away from it
a couple of astronauts agree to rendezvous in space after hours their plan is to let gravity bring them together she
runner a is initially 80 mi west of a flagpole and is running with a constant velocity of 70 mih due east runner b is
a 81 g bungee cord has an equilibrium length of 120 m the cord is stretched to a length of 180 m then vibrated at 27 hz
a steel ball of mass 0750 kg is fastened to a cord that is 470 cm long and fixed at the far end the ball is then
to water the yard you use a hose with a diameter of 32 cm water flows from the hose with a speed of 15 ms if you