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a subatomic particle x spontaneously decays into two particles a and b each of rest energy 140 times 102 mev the
walking fast can consume 50 kcal per minute how many hours of exercise are required to consume 450 kcal the energy in a
in both the rutherford theory and the bohr theory we neglected any wave properties of the particles estimate the de
earths ocean contain 35108 mi3 of water and cover an area of 14108 mi2 what is the volume of the ocean in cubic
an ideal monatomic gas is allowed to expand quasi-statically and adiabatically from an initial volume vi 30 liter and
the reaction of propene proceeds in two steps ultimately yielding an alkyl bromide in the first step which is rate
an automobile with 0250 m radius tires travels 90000 km before wearing them out how many revolutions do the tires make
compound a a clear colorless liquid has a molecular formula of c8h16 on treatment of a with ozone gass followed by zinc
will true moment of inertia of the dumbell system be larger or smaller than i2mr2m suggests if rm where to double by
i do not understand how to draw the skeletal structure of ch33cch2chcch32 and
a jewel smith wishing to buff a finished piece of jewelry attaches a buffing disk to his drill the radius of the disk
a student is reading a lecture written on a blackboard the lenses in her eyes have a refractive power of 5611 diopters
a sketch a graph of the van deemter equation plate height vs linear flow rate what would the curve look like if the
of br2 ne hcl hbr n2 which is likely to have a the largest intermolecular dispersion forces and
parallel-plate capacitor with area 0500m2 and plate seperation of 200mm is connected to a 900-v batterya what is the
explain why there is a direct relationship between the concentration of a solution and a solutions absorbance of
an apple falls from a tree and takes 4 s to reach the ground as reported by the earth-bound observer according to the
a bat moving at 72 ms is chasing a flying insect the bat emits a 43 khz chirp and receives back an echo at 4368 khz at
consider a category five hurricane that has a maximum wind speed of 160 mph at the eye wall 10 miles form the center of
if 3429 ml of an edta solution is required to react with 01879 g of mgcl2 what is the molarity of
the length of a hollow pipe is 1037 cm the air column in the pipe is vibrating and has nine nodes1 find the frequency
a girl is celebrating her seventh birthday each guest is served one large slice of chocolate cake a hamburger french
a fan is rotating at a rate of 710 rpm when the motor is turned off the blades slow to rest in 35 s what is the angular
if linear momentum is conserved when there is no external force applied how is angular momentum conserved 2 the change
an experiment reacts 250g of aniline c6h7n with 400 ml of acetic anhydride c4h6o3 density 1082 gml and produces 292 g