subject
Physics, 11.05.2021 21:20 gallegosarmanni

PHYSICS, 50 POINTS DUE SOON. please don’t guess and give the wrong answer this is important. What conclusion can be drawn?

A.
The half-life of Lead-207 is about 3,500 million years.

B.
The half-life of Lead-207 is about 800 million years.

C.
The half-life of Uranium-235 is about 800 million years.

D.
The half-life of Uranium-235 is about 3,500 million years.


PHYSICS, 50 POINTS DUE SOON. please don’t guess and give the wrong answer this is important.

What

ansver
Answers: 3

Another question on Physics

question
Physics, 21.06.2019 19:40
An ideal spring has a spring constant (force constant) of 2500 n/m, is stretched 4.0 cm, how much elastic potential energy does it possess? (a) 3j (b) 0.00j (c) 1j (d) 2j (e) 4j
Answers: 1
question
Physics, 22.06.2019 03:00
1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of
Answers: 1
question
Physics, 22.06.2019 05:40
Unpolarized light of intensity i_0=750w/m^2 is incident upon two polarizers. after passing through both polarizers the intensity is i_2=280w/m^2. (a) what is the intensity of the light after it passes through the first polarizer in w/m^2? (b) write an equation for the angle between the polarizers in terms of the initial (i_0) and final (i_2) intensities. (c) find the angle between the polarizers in degrees.
Answers: 3
question
Physics, 22.06.2019 18:30
Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.
Answers: 1
You know the right answer?
PHYSICS, 50 POINTS DUE SOON. please don’t guess and give the wrong answer this is important. What c...
Questions
Questions on the website: 13722367