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a simple pendulum consists of a ball connected to one end of athin brass wire the period of the pendulum is 181 s
a styrofoam box has a surface area of 080 m2 and a wallthickness of 20 cm the temperature of the inner surface is50
in a hydraulic system the piston on the left has a diameterof 51 cm and a mass of 17 kg the piston on the right has
when four people with a combined mass of 319 kg sit down in acar they find that the car drops 25 cm lower on its
a number of chemical reactions have been proposed for the formation of organic compounds from inorganic precursors here
one gram of water changes from liquid to solid at a constantpressure of 100 atm and a constant temperature of 0degc in
discuss the advantages and disadvantages of the electoral
in a water tank experiment water waves are generated withtheir crests 25 cm apart and parallel they pass though
q1 lesson 7 presented several national policy matters that have developed over the past 10 to 20 years please explain
an organic acid has a molecular weight of 192 a 100 mg sample of this acid was burned in an excess of oxygen in the
a tire is filled with air at15degc to a gauge pressure of 210kpa if the tire reaches a temperature of 36degc what
one of the flashpoint issues of recent political discussions and elections is the concept of judicial activism
an object has a total energy of 50x1015 j and a kinetic energy of 20x 1015 j what is the magnitude of the objects
carbon tetrachloride was widely used for many years as a solvent until its harmful properties became well established
read the hahn article comparative civil education research what we know and what we need to know assigned in this
conformational studies on ethane-12-diol hoch2-ch2oh have shown the most stable conformation about the central c-c bond
two point charges 20cm apart have an electric potential energy of -1188muj the total charge is 25 nc what are the two
suppose that you are writing a constitution for a new democracy in a large country with many social and ethnic
the reactant concentration in a zero-order reaction was 0100 after 140 and 100times10-2 after 300 what is the rate
calculate the ph if 0100 m naoh is added to 100 l of a buffer solution that is 0400 m hcooh and 0100 m hcoona ka for
the suspended 28 kg mass on the right is moving up on a pulley the 16 kg mass slides down the 21 degree ramp and the
consider the image of a spider web to illustrate the complexity and prevalence of networks in international relations
two circular coils of current-carrying wire have the same magneticmoment the first coil has a radius of 0082 m has 144
in the context of small molecules arrange these intermolecular forces by strengthhydrogen bonding london dispersion
a block with a weight of 30 n is at rest on a horizontalsurface a 10 n upward force is applied to the block by meansof