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a 110kg linebacker tackles an 85kg halfback immediately before thecollision the linebacker is slipping with a velocity
what is the ph of the resulting solution when 2488 ml of 800 m koh is added to a 136 liter solution that has 063 m
a certain toaster has a heating element made of nichrome resistancewire when the toaster is first connected to a 140 v
a 304 muf capacitor and a 784 muf capacitor are connected in series across a 170 v battery what voltage would be
draw the skeletal structure of the organic product that results from the reaction of 1-hexanol with thionyl chloride in
when a 210-kg object is hungvertically on a certain light spring described by hookes law the spring stretches 284 cma
2-methyl-2-butanol reacts with hbr to form 2-bromo-2-methyl butane and water while butanol reacts with hbr to form
the following are some typical solvents used for recrystallization and dissolution of various organic compounds give
a convex lens is held over a piece of paper outdoors on asunny day when the paper is held 26 rm cm below the lens the
a 660 kg person throwsa 00400 kg snowball forwardwith a ground speed of 320 ms a second person with a massof 590 kg
a ground state h-atom absorbs a photon of wavelength 9438 nm and its electron attains a higher energy level the atom
given 780 of butanoic acid and excess ethanol how many grams of ethyl butyrate would be synthesized assuming a complete
an automobile has a total mass of 1600kg it accelerates from rest to 30kmh in 40 s assume each wheel is auniform 28 kg
what is the heat of sublimation kcalmol of diatomic iodine at 29815 k the heat of formation of iodine gas is 6225
if i know the net force acting on an object and the acceleration that the object has from the force how do i find the
calculate the enthalpy of reaction delta h for this reaction in kjmol is this reaction exothermic or
a centrifuge in a medical laboratory rotates at an angularspeed of 3600 revmin when switched off it rotates through500
consider the diffusion of dopant element a into crystalline water the dopant rich coating is considered as a large
one terminal of a car battery is said to be connected to ground since it is not really connected to the ground what is
a person swims east to west across a river that is 30 meters widethe person swims westward compared to the water at
three identical flasks contain three different gases at standard temperature and pressure flask a contains ch4 flask b
the volume of 350 ml of gas at 25c is decreased to 125 ml at constant pressure what is the final temperature of the
a horizontal board weighing 2050 n is supported at points a and b in the figure below the plank servesas a platform for
within cells small organelles containing newly synthesized proteins are transported along microtubules by tiny
in order to study air quality a 4501 l sample of air was collected at the mcmurdo station near the south pole on an