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Situation: A 25 gram sample of a substance used for drug research has a k-value of 0.1205. N=N0e^-kt N0= initial mass(at time t=0) N= mass at a time t K= a positive constant that depends on the substance itself and on the units used to measure time T=time, in days Find the substances half-life, in days. Round your answer to the nearest tenth?????

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qwertyturtle
 (mass 40kg) standing on slippery ice, catches her dog (mass 15kg) leaping toward her at 3.0 m/s. Use conservation of momentum to show that the speed of judy and her dog after the catch is 0.8 m/s .
Jackson00000
leaping toward her at 3.0 m/s. Use conservation of momentum to show that the speed of judy and her dog after the catch is 0.8 m/s .

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