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a factory worker pushes a 320 kgcrate a distance of 36 m along alevel floor at constant velocity by pushing
a proton is moving paralell to a uniform electric field the electric field accelerates the proton and increases its
a woman who can row a boat at 73 kmh in still water faces along straight river with a width of 68 km and a current of
a fisherman reels in 160 m of linewhile pulling in a fish that exerts a constant resisting force of200 n if the fish is
you push your physics book 170 malong a horizontal table top with a horizontal force of220 n the opposing force of
an object attached to a horizontal spring is oscillating back and forth along a frictionless surface the maximum speed
a car travels east at 87 kmh for 14 h it then travels300deg east of north at 107 kmh for 08 ha what is the average
calculate the theoretical yield of c2h5cl when 133 g of c2h6 reacts with 223 g of cl2 assuming that c2h6 and cl2 react
a stone is thrown horizontally from a vertical cliff 25m highand lands on the ground below 22m from the foot of
determine whether each of the following compounds is ionic or covalent and draw an appropriate lewis
a 235 ml volume of a 001140 m kmno4 solution was used to reach the equivalence point in the titration of 01055 g of an
a charge of -300 uc is fixed in place from a horizontaldistance of 00450 m a particle of mass 72 x 10-3 kgand charge
for the following reaction the rate expression is found to be second order in a and zero order in b2ab-gtcobviously b
ten boxes each 220 cm high and weighing235 n initially are all side by side onthe floor the boxes are lifted and placed
draw elctron dot structures for the following elements na al cl ar which are the most chemically reactive which are the
an astronaut on a strange planet finds that she can jump a maxhorizontal distance of 160 m if her initial speed is
when a man stands on his scale it reads 926 kg when hepulls down on a chin-up bar installed over the scale the reading
a rifle bullet weighing 17 gand traveling 240 ms penetrates a 25 kg block of wood and emergesgoing 175 ms if the block
the alkaline earth metal beryllium be is very small and forms covalent compounds instead of ionic compounds knowing
a battery with an emfof 900 v has an internal resistance r when connected to aresistor r the terminal voltage is 880 v
give the bohr electron configuration and lewis electron dot structuce for sulfur circle the elector in the bohr
a 170 kg monkey hangs from a cord suspended from the ceilingof an elevator the cord can withstand a tension of 220 n
how many accelerators do you have in your car there are atleast three controls in the car which can be used to cause
an exotic finish to massive stars is that of a neutron starwhich might have as much as five times the mass of our sun
calculate the change in internal energy on an isothermal compression of 100kg of water at 20degress from 102 to 104