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consider a 500 kg dragster on a 200 m strip reaching the end of the strip in 5 seconds from a standing start find the
need two of the methods for polycyclic aromatic hydrocarbons degradation i know one of the method is photocatalysis but
2ps 3cl2g -gt 4pcl3l at 298kestimate the boiling point of pcl3 what approximation are you making when calculating the
the drawing to the left shows a mass m 15 kg hanging from a spring with spring constant k 10 nm the mass is also
if an electron has a mass of 9709x10-31 kg and a proton has a mass of 1672x10-27 kg approximately how many electrons
a weather vane initially at rest has a moment of inertia of 0122 kg middot m2 about its axis of rotation a 615 g piece
what is electrochemical irreversability what causes it how do you know it is
a car with a total mass of 178 103 kg has wheels of radius 310 cm and moment of inertia 0805 kg middot m2a find the
when nacl is added to a solution of agno3 a white precipitate of agcl forms if concentrated ammonia nh3 is added to
a boxer receives a horizontal blow to the head that topples him over the force of magnitude 140 103 n is applied for 20
in what ways may the rotational and vibrational spectra of molecules change as a result of isotopic
a merry-go-round starts from rest and accelerates uniformly over 105 s to a final angular velocity of 690 revmina find
a vessel contains 300 mol of ar 550 mol of cf4 and 150 mol of c2h6 gases if the partial pressure of ar is 1440 atm what
water flows horizontally through a garden hose of radius 10cm at speed of 14 ms the water shoots horizontally out of a
write a chemical equation for caoh2 aq showing how it is an acid or a base according to the arrhenius
an electron in a hydrogen atom is excited with electrical energy to an excited state with n 2 the atom then emits a
a listener is standing in front of two speakers that are producing sound of the same frequency and amplitude except
standing waves are set up on two strings fixed at each end the two strings have the same tension and mass per unit
a volume of 186 l of h2 is trapped in a nuclear reactor at 870oc and 125 atm what is the partial pressure torr of the
a railroad car containing explosive material is initially traveling south at a speed of 45 ms on level ground the total
a freight train has a mass of 17 times 107 kg if the locomotive can exert a constant pull of 71 times 105 n how long
explain how you would prepare 1000ml of a solution using pure solute and water that is 0050 m in sodium hydrogen
in a recent clinical trial the drug improved the moods and reduced the drinking of people with coexisting alcohol
two out-of-tune flutes play the same note one produces a tone that has a frequency of 243 hz while the other produces
you have a solution made by dissolving 15230g of solid na2c2o4 and diluting to a volume of 25000ml how many moles of