Maltesewolfman

3 Questions
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0

3194

1

+12

Consider the radioactive decay formula A=Aoe^-kt where a is the amount of radium remaining at the time t. Ao is the amount present initially

Consider the radioactive decay formula A=Aoe^-kt where a is the amount of radium remaining at the time t. Ao is the amount present initially and k is decay constant. After How many years would 10 grams of radium decay so that only 8 grams remain? The half read more ..

Maltesewolfman Aug 24, 2015

0

1462

1

+12

The formula db=20logS-26 approximately describes the relationship between of a sound in micropascals S and its reading on the decibel scale

The formula db=20logS-26 approximately describes the relationship between of a sound in micropascals S and its reading on the decibel scale DB. if a bird singing produces a sound reading of about 400 uPa, and a jumbo jet produces a reading of 100 Pa, use read more ..

Maltesewolfman Aug 24, 2015

0

1439

2

+12

Log 5/36 - log 5/9

Prove that Log 5/36 - log 5/9 = -log 4

Maltesewolfman Aug 24, 2015