Content: 646.zip (8.64 KB)
Uploaded: 02.12.2020

Positive responses: 0
Negative responses: 0

Sold: 0
Refunds: 0

Seller: Михаил_Перович
information about the seller and its items

Ask a question

Loyalty discount! If the total amount of your purchases from the seller more than:

$1 the discount is 1%
$5 the discount is 2%
$10 the discount is 3%
$20 the discount is 5%
$50 the discount is 7%
$100 the discount is 10%
$200 the discount is 15%
$0.09
646. A counter of α-particles, installed near the radioactive isotope, at the first measurement recorded N1 = 1400 particles per minute, and after a time t = 4 hours - only N2 = 400. Determine the half-life T1 / 2 of the isotope.
No feedback yet