Physics, 24.11.2020 19:10 salehabajwa101
If someone wanted to analyze a set of tree rings but didn't know when the tree lived, how could they find out?
1.Use carbon-14 dating methods on the organic wood sample.
2.By which analyzing which historic layer of rock or dirt the tree was found in.
3.Find a tree that matched the ring pattern.
4.Estimate how old the tree was by the condition of the wood.
Answers: 1
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Aforce of 9.00 newtons acts at an angle of 19.0 to the horizontal. what is its component in the horizontal direction?
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Physics, 22.06.2019 06:00
A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s
Answers: 1
Physics, 22.06.2019 09:00
When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical
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Physics, 22.06.2019 09:40
Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.
Answers: 3
If someone wanted to analyze a set of tree rings but didn't know when the tree lived, how could they...
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