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a ball with m 5 kg is thrown from the building 40m height withinitial velocity 15 ms downwards hits a spring on the
when two molecules of methanol react with oxygen they combine with three o2 molecules to form two co2 molecules and
when copperii sulfate pentahydrate is heated it decomposes to the dehydrated form the waters of hydration are released
magnetite is a binary compound containing only iron and oxygen the percent by weight of iron is 72360 what is the
kekoa takes his bodyboards to mauna kea to use as a sled from rest he jumps onto the bodyboard and slides down a 5-m
a boy on a hill shoots an arrow at 20ms directed at 369 degreesabove the horizontal the arrow hits a target 300 seconds
a puddle of water n133 is covered with a very thin layer of oil n110 a green light of wavelength 550nm in air is
ryan throws a tennis ball vertically upward if the ball returnsto the point of release in 35 seconds what is the speed
the minimum take off speed for an airplace is 75 ms what minimum acceleration is required if the plane must leave a
a train with a constant velocity of 286 ms approachesa small town the operator applies the break reducing the
a flask of volume 20 liters provided with a stopcock containsoxygen at 20 degree celcius 10 atm the system is heated to
the element vanadium is a solid bcc metal and room temperature and pressure please find the lattice parameter for
what is the balanced equation for the saponification reaction of glyceryl tripalmitate also known as
an electron is released a shortdistance above earths surface a secondelectron directly below it exerts an
aluminum reacts with chlorine gas according the following equation shown below how many moles of cl2 are required to
a particle is at the position xyz102030m it istraveling with a vector velocity -5028-31ms its mass is38kg what is its
calculate the solubility measured in gl of silver oxalate ag2c2o4 in pure water ksp 10 x 10-11 for
a box with a mass of 35kg slides of a ramp 8 m high then whentraveling on a horizontal surface it collides with a box
the enthalpy of neutralization of the first proton of h2s is -337kjmol determine the first acid ionization energy of
a light passes through three slits seperated by 5mm in theresulting interference of pattern on a screen 3m away
how would doubling the concentration of the nucleophile affect the rate of the reaction in which t-amyl chloride is
some students observe a low-boiling fraction around 40 degrees c during the simple distillation of preparing t-amyl
a fighter jet has a pilot of mass of 75kg he enters avertical loop of radius 500m if the jet has a speed of 120ms atthe
a sample of fructose c6h12o6 with a mass of 385 g is burned in a bomb calorimeter the heat capacity of this calorimeter
consider the side products that might be formed in the reaction of preparing t-amyl chloride from t-amyl alcohol via a