Physics, 22.07.2019 06:10 arlabbe0606
A2,000 g quantity of c-14 is left to undergo radioactive decay. the half-life of c-14 is approximately 5,700 years. after going trough x half-lives, the sample becomes 125 grams. what is x?
Answers: 1
Physics, 22.06.2019 05:20
Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.
Answers: 2
Physics, 22.06.2019 23:40
What is the magnitude of the gravitational force acting on the earth due to the sun?
Answers: 1
A2,000 g quantity of c-14 is left to undergo radioactive decay. the half-life of c-14 is approximate...
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