Questions by Ilvar

Questions by Ilvar

If the half-life of 37Rb is 4.7x101 years, how long would it take for 0.5 grams of a 2 gram sample to radioactively decay?

asked Aug 27, 2020

1 answer

1 vote

104k views

Adolf and Ed are wearing harnesses and are hanging at rest from the ceiling by means of ropes attached to them. Face to face, they push off against one another. Adolf has a mass of 120 kg, and Ed has a

asked Apr 1, 2020

1 answer

5 votes

158k views

A boat can travel 315 miles on 63 gallons of gasoline. How much gasoline will it need to go 300 miles?

asked Mar 16, 2020

2 answers

5 votes

7.3k views

Please help ASAP!!! ----------------------------------- Instructions: Using what you’ve learned from building or drawing a model of the atom, answer each of the following questions completely. Questions

asked Feb 10, 2019

1 answer

0 votes

193k views

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