Physics, 05.10.2019 06:30 mayaholmes
You received a shipment 20 days ago of 131i for treatment of hyperthyroidism. what fraction of the original shipment would you still have with a half-life of 8.040 days for i?
Answers: 3
and a half-life of 
is:
, which means that around 17.83% of the original substance has not decayed yet.Another question on Physics
Physics, 21.06.2019 15:30
Match the atomic particles with their characteristics. 1. made of two protons and two neutrons neutron 2. similar to an electron; positive charge neutrino 3. orbits nucleus; negative charge positron 4. bundle of energy; zero charge proton 5. found in nucleus; positive charge meson 6. very unstable; +, -, or zero charge gamma 7. found in nucleus; zero charge electron 8. negative particle; negative charge beta 9. atomic energy converted to mass alpha
Answers: 1
Physics, 22.06.2019 04:30
Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.
Answers: 3
Physics, 22.06.2019 19:20
Aproduction line at v. j. sugumaran's machine shop has three stations. the first station can process a unit in 7 minutes. the second station has two identical machines, each of which can process a unit in 16 minutes (each unit only needs to be processed on one of the two machines). the third station can process a unit in 10 minutes. ▼ is the bottleneck station, with a bottleneck time of nothing minutes per unit (enter your response as a whole number).
Answers: 3
Physics, 22.06.2019 19:30
Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match
Answers: 1
You know the right answer?
You received a shipment 20 days ago of 131i for treatment of hyperthyroidism. what fraction of the o...
Questions
Mathematics, 15.10.2019 03:20
English, 15.10.2019 03:20
Mathematics, 15.10.2019 03:20
Social Studies, 15.10.2019 03:20
Mathematics, 15.10.2019 03:20
Mathematics, 15.10.2019 03:20
History, 15.10.2019 03:20
Physics, 15.10.2019 03:20
English, 15.10.2019 03:20
Engineering, 15.10.2019 03:20
Mathematics, 15.10.2019 03:20
