An archaeologist finds carbon-14 in a sample of 310g of
An archaeologist finds Carbon-14 in a sample of 3.10g of material to be decaying at 107 counts per second. A modern 1.00g sample of the same material decays at 151 counts per second. How old is the sample? (Half-life of Carbon-14 is 5730)
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a simple u-tube contains a liquid of density rho1 a second liquid of density rho2 rho2 lt rho1 is poured into the right
three boys each of weight w 300 n make a log raft with lashing together logs of diameter d 15 cm and length l 1 m how
at what speed does a clock move by respect to an observer that measures it to run at one-third the rate of an identical
water is pumped into a storage tank from a well delivering 180 gallons of water in 280 seconds during a pipe of 100in2
an archaeologist finds carbon-14 in a sample of 310g of material to be decaying at 107 counts per second a modern 100g
a 095-m aluminium bar is held with its length parallel to the east-west direction and dropped from a bridge now before
what phase difference among two otherwise identical travelling waves moving in the similar direction along a stretched
a jet plane passes over you at a height of 5110 m and a speed of mach 131 a discover the mach cone angle b how long
assume a spacecraft of mass 28000 kg is accelerated to 043ca how much kinetic energy would it haveb if you utilized the
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