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a running 61-kg cheetah has a top speed of 30 msa what is the cheetahs maximum kinetic energyjb find the cheetahs speed
a mechanic pushes a 280 103-kg car from rest to a speed of v doing 4650 j of work in the process during this time the
the decomposition of nitrogen dioxide to nitrogen and oxygen is second-order with a rate constant k 125 m-1 s-1 what
a fire helicopter carries a 520-kg bucket of water at the end of a 200-m long cable flying back from a fire at a
what is the ppm of a solution prepared by mixing 250 g ethylene glycol molar mass 621 gmol c2h6o2 with 125 g of
if the average number of dropsml 730 and the overall average diameter of oleic acid film 380 cm what would be the
a car is traveling at 440 kmh on a flat highwaya if the coefficient of friction between road and tires on a rainy day
consider a small car of mass 1236 kg and a large sport utility vehicle suv of mass 3960 kg the suv is traveling at the
you are pushing a refrigerator across the floor of your kitchen you exert a horizontal force of 297 n for 74 s during
two objects have the same kinetic energy one has a speed that is 17 times greater than the speed of the other what is
which solvents are the best for trimyristin methanol acetone cyclohexane dichloromethane or diethyl ether how would you
a battery with a 12-v emf has a terminal voltage of 114 v when it delivers 20a to the starter of a cara draw a
bond energy of o2 is 0494 mjmole what is the wavelength of light that has enough energy to break the o2 bond what do
a crate of mass 20 kg is pushed up a ramp by a person as shown in the figure below the person pushes the crate a
calculate the ph of a solution prepared by mixing 00800 mol of chloroacetic acid plus 00400 mol of sodium chloroacetate
a crate of mass 46 kg is pushed across a level floor by a person if the person exerts a force of 31 n in the horizontal
calculate the ph of a solution prepared by mixing 00100 mol of the base b kb 10-200 with 00200 mol of bhbr- and
the electric field midway between two equal but opposite point charges is 755 nc and the distance between the charges
a system of 1454 particles each of which is either an electron or a proton has a net charge of -7456times10-17 chow
a calculate the ph of a solution prepared by mixing 100 g of imidazole with 100 g of imidazole hydrochloride and
a neutron star is the remnant left after certain supernovae explosions of giant stars typically neutron stars are about
a chemist decomposes several samples of water into hydrogen and oxygen and weighs the hydrogen and oxygen obtained the
a 09-kg block begins to move when it is pulled by a rope on a horizontal surface by a 3-n force the coefficient of the
an aqueous solution of iron iii chloride reacts with magnesium solid to give solid iron an aqueous magnesium chloride
ethanol c2h5oh boils at 78c its density is 0789 gml the enthalpy of vaporization is 3856 kjmol the specific heat of