Physics, 23.08.2019 16:10 jeanniebyrd54
After a plant or animal dies the 14c content decreases with a half-life of 5730 years. if an archaeologist finds an ancient firepit containing partially consumed firewood, and the 14c content of the wood is only 15.5% that of an equal carbon sample from a present-day tree, what is the age (in years) of the ancient site?
Answers: 3
Physics, 21.06.2019 19:30
Agymnast dismounts off the uneven bars in a tuck position with a radius of 0.3m (assume she is a solid sphere) and an angular velocity of 2rev/s. during the dismount she stretches out into the straight position, with a length of 1.5m, (assume she is a uniform rod through the center) for her landing. the gymnast has a mass of 50kg. what is her angular velocity in the straight position?
Answers: 2
Physics, 22.06.2019 17:40
Which component of the earth’s atmosphere is decreased due to photosynthesis?
Answers: 1
Physics, 22.06.2019 19:30
Juliette sets the initial velocity to +10 m/s, the acceleration to zero, and clicks “start.” how can shakina describe the subsequent motion of the car juliette controls?
Answers: 3
After a plant or animal dies the 14c content decreases with a half-life of 5730 years. if an archaeo...
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