Examlex
If vector = -2
+ 3
and a vector
= 4
- 5
,the inner product
·
is
Radiometric Dating
Radiometric dating is a technique used to date materials such as rocks or carbon, by determining the relative proportions of particular radioactive isotopes present in the sample.
Isotope Decays
The process by which an unstable atomic nucleus loses energy by emitting radiation, leading to a change in its atomic number or mass.
Half-Life
Characteristic time it takes for half of a quantity of a radioisotope to decay.
Iridium
A very hard, brittle, silvery-white transition metal of the platinum group, often used in high-strength alloys.
Q11: The acceleration of the car at 5
Q20: Which of the following trends in health
Q33: Two points,A and B,are on a disk
Q39: A box (M = 20 kg)is sitting
Q39: The rest mass of an electron
Q41: In the figure,m<sub>1</sub> = 3 kg,m<sub>2</sub> =
Q55: A wheel starting from rest has a
Q57: Which fundamental force holds the atoms together
Q68: The prefix "micro" means<br>A)10<sup>-12 </sup><br>B)10<sup>-6 </sup><br>C)10<sup>-3 </sup><br>D)10<sup>-2
Q101: The information on a compact disc is