Accurate estimates of very old materials
Why is carbon dating unable to provide accurate estimates of very old materials?
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A offscale solution #2 1.00 mL stock diluted to 25.00 mL -A = 0.85 solution #3 1.00 mL #1 diluted to 25.00 mL -A = 0.73 What are the concentrations of solution #3, and of the stock solution?
If the train is accelerating at on a level track, what is the tension in the coupling between the second and third cars? The car nearest the locomotive is counted as the first.
Despite the cultural domination instituted by European traders and colonizers, how do you think these Mesoamerican, South American, and African societies have been able to sustain their cultural practices?
A. Most athletes must take protein supplements to get enough protein. b. Bodybuilders need more protein than endurance athletes. c. Amino acid supplements are a better way to deliver amino acids because they do not need to be digested. d. Most
Calculate the wavelength associated with a man (mass 70 kg)running with a volicity of 5m-1 and an electron (mass 9.1*10-31 kg)travilling with a volicity of 1ms-1 would you expect to see the wave -like properties of the man or the electron and, if
Element X has two naturally occurring isotopes of masses 106.905 amu and 108.905 amu. The percentage abundance of these two isotopes are 51.83 % and 48.17 % respectively. What is the average atomic mass of element X?
Sally travels by car from one city to another. She drives for 26.0 min at 81.0 km/h, 47.0 min at 48.0 km/h, and 16.0 min at 30.0 km/h, and she spends 5.0 min eating lunch and buying gas. Determine the average speed for the trip.
What phase difference between two identical traveling waves, moving in the same direction along a stretched string, results in the combined wave having an amplitude 1.50 times that of the common amplitude of the two combining waves?
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