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an 86 ohms resistor and a 67 ohms resistor are connected in series across a battery the voltage across the 86 ohms
for a temperature increase of t1 a certain amount of an ideal gas requires 25 j when heated at constant volume and 53 j
the energy levels the electron can occupy in the h atom can be calculated using the energy level equation calculate the
an object of mass m 200 kg is attached to a spring with spring constant k 880 nm whose unstretched lengthis l 0100 m
an artillery piece is aiming at a target on a cliffacross a river the horizontal distance of the target from the gunis
consider a sample containing 200 mol of a monatomic ideal gas that undergoes the following changes from state a to
two skaters one with mass 65 kg and the other with mass 40 kgstand on an ice rink holding a pole of length 10 m and
write a net ionic equation for the reaction that occurs when aqueous solutions of hydrobromic acid and potassium
a human eyeball is about 20 cm long and the pupil has amaximum diameter of about 80 mm what is the speed of this
write a net ionic equation for the overall reaction that occurs when aqueous solutions of carbonic acid and sodium
a 55 kg person running horizontally jumps into a 15 kg sled that is initially at rest the velocity of the person and
a cannon sends a projectile towards a target a distance1420m away the initial velocity makes an angle 21 degrees with
a good example of a classical particle is a marble which has amass of 11 grams if the position ofthe marble can be
what volume of a 0113 m perchloric acid solution is required to neutralize 369 ml of a 294e-2 m calcium hydroxide
a river has a steady speed of 0500 ms a student swimsupstream a distance of 100 km and swims back to the startingpoint
a sample of gold of volume 20010-5 m3 is available to make a wire if the length of the wire is to be 500 cm and all the
at liftoff the space shuttle uses a solid mixture of ammonium perchlorate and aluminum powder to obtain great thrust
a gamma-ray telescope intercepts a pulse of gamma radiation froma magnetar a type of star with a spectacularly
at the instant the traffic light turns green a car that hasbeen waiting at an intersection starts ahead with a
an antelope moving with constant acceleration covers thedistance 750 m between two points in time 600 s its speed as it
what volume of a 0395 m sodium hydroxide solution is required to neutralize 276 ml of a 0276 m hydroiodic acid solution
one kilowattmiddothour kwmiddoth is the amount of work orenergy generated when one kilowatt of power is supplied for a
two runners start simultaneously from the same point on acircular track of length 205 m and run in the same direction
when using 65 ethanol in a trial of thin layer chromatography the rf values were virtually identical for methylene blue
the magnetic field produced by the solenoid in a mri system has a field strength of 863t and the current in the