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what is the molar mass of a gas that occupies a volume of 1500 l at a pressure of 356 mm hg a temperature of 225 c and
a motor with a brush-and-commutator arrangement has a circularcoil with radius 16 cm and230 turns of wire the magnetic
an electrical heater is used to supply 1450 j of energy to a 150 g sample of water originally at 3000 k determine the
a microwave transmitter emits electromagneticwaves of a single wavelength the maximum electric field122 km from the
a microwave transmitter emits electromagnetic waves of a singlewavelength the maximum electric field 122 km from the
a fossil was analyzed and determined to have a carbon-14 level that is 460 that of living organisms how old is the
if 350 mw of power at 432 kv rms arrives at a town from agenerator via 310 omega transmission linesa calculate the emf
how would you work the problem if the net electric field produced at the center of the circle made an angle of 293
two flat surfaces are exposed to a uniform horizontalmagnetic field of magnitude 047t when viewed edge-on the
an airplane pilot fell 365 m afterjumping from an aircraft without his parachute opening he landedin a snowbank
some type of wood can be characterized as c1h15o17 with a lower heating value of 19500 kjkg find its adiabatic flame
the watt is the derived si unit of power the measure of energy per unit time 1w 1 j-s a semiconductor laser in a cd
a 20ml volume of previously boiled deionized water is added to the conical flask to prepare the sample for titration
a helicopter has 30 m long rotor blades rotating at an angular speed of 63 rads what is tangential speed of each blade
odors in wastewater are caused chiefly by the products of the anaerobic reduction of organic nitrogen and
a projectile is fired at an upward angle of 45deg from the topof a 288 m cliff with a speed of212 ms what will be its
a solid cylinder has a moment of inertia 2 kg m2and is rotating freely at a fixed angular velocity of 12 rads asecond
a transformer consisting of two coils wrapped around an ironcore is connected to a generator and a resistor there are
zinc metal reacts with hydrochloric acid to produce zinc ii chloride and hydrogen gas how many liters of hydrogen gas
a hamster gets on a stationary wheel with radius 015 m and runs until wheel rotates at angular speed of 120 rads in 40
in some places insect zappers with their blue lights are afamiliar sight on a summers night these devices use a
a what is the ph of a kachac buffer if the salt concentration is 60 higher than that of the acidb equal volumes of two
to make a bounce pass a player throws a 060-kg basketball towardthe floor the ball hits the floor with a speed of 54ms
when spiking a volleyball a player changes the velocity of the ball from 42ms to -24ms along a certain direction if the
using heisenbergs uncertainty principle calculate the uncertainty in the position of the followingb a proton moving at