Physics, 17.05.2021 19:30 alexussaniyah
Collect data: In the first row of the table below, write how many seconds represent one half-life, two
half-lives, and so forth. On the next row, predict the number of radioactive atoms that will be present at
each time. Then use the probe to find the actual values.
0
1
2
3
4
5
0
Half-life
Time (seconds)
Predicted #
radioactive atoms
Actual #
radioactive atoms
Answers: 2
Physics, 22.06.2019 21:00
The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.
Answers: 1
Physics, 23.06.2019 02:30
If frequency goes up, what happens to wavelength? does it get shorter or longer?
Answers: 2
Physics, 23.06.2019 03:00
Pressure is a measure of force per unit area or p=f/ap=f/a. a student is checking the amount of pressure their car exerts upon the road. the car weighs 22 tons ( us short ton ). the student finds the dimensions of each tire's footprint on the road is 12.5 cm x 16.5 cm. in pounds per square inch (psi), what is the total pressure the car exerts upon the road?
Answers: 2
Collect data: In the first row of the table below, write how many seconds represent one half-life, t...
Social Studies, 11.03.2020 21:43