damiilare3217 damiilare3217

23-04-2024
Physics

Answered

World War II aircraft had instruments with glowing radium-painted dials. The activity of one such instrument was 1.1 ×105Bq when new. The half-life of radium-226 is 1600y . What was the mass of the radium-226, in grams, on the dial, when new?

Answer :

Other Questions

Rename the number 82 thousands = ?

express the area of each square as a monomial

Solve-5/8c=20A. 32B. -34C. 34D. -32

What act of legislature renewed Lincoln's passion against slavery

what would be he best way to measure the mass of a powdery solid

divide 33 photos into two groups so the ratio is 4 to 7

express the area of each square as a monomial

containers a and b hold 11,875 L of water together. conatainer b holds 2,391L more than container B holds. How many Liters of water does container a hold?

how do you solve 7a+10=2a

nitrogen is used to proctect steel from water because nitrigen has?