1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sholpan [36]
3 years ago
7

Which method to determine the age of artifacts measures the rate of decay in atoms?

Physics
1 answer:
Korolek [52]3 years ago
3 0
Answer: Kalium Argon dating

Kalium or Potassium radioactive atom that commonly found in stone or artifact. Since Kalium is radioactive, it will be reduced and converted into another atom(in this case argon) after a set of time. You can determine the time elapsed by comparing the Kalium with argon mass.
You might be interested in
Does the orbital period of a planet depend on the mass of the planet or on the mass of the star that it orbits?
jasenka [17]

Answer:

The orbital period of a planet depends on the mass of the planet.

Explanation:

A less massive planet will take longer to complete one period than a more massive planet.

8 0
2 years ago
If it is fixed at C and subjected to the horizontal 60-lblb force acting on the handle of the pipe wrench at its end, determine
pickupchik [31]

Answer:

τ = 132.773 lb/in² = 132.773 psi

Explanation:

b = 12 in

F = 60 lb

D = 3.90 in (outer diameter)  ⇒ R = D/2 = 3.90 in/2 = 1.95 in

d = 3.65 in (inner diameter)  ⇒ r = d/2 = 3.65 in/2 = 1.825 in

We can see the pic shown in order to understand the question.

Then we get

Mt = b*F*Sin 30°

⇒ Mt = 12 in*60 lb*(0.5) = 360 lb-in

Now we find ωt as follows

ωt = π*(R⁴ - r⁴)/(2R)

⇒ ωt = π*((1.95 in)⁴ - (1.825 in)⁴)/(2*1.95 in)

⇒ ωt = 2.7114 in³

then the principal stresses in the pipe at point A is

τ = Mt/ωt ⇒ τ = (360 lb-in)/(2.7114 in³)

⇒ τ = 132.773 lb/in² = 132.773 psi

7 0
3 years ago
Which of the following is a key assumption of the scientific method
lesantik [10]

Answer:

Though you have not gave the choices, I do believe it is “testing”

Explanation:

3 0
3 years ago
Which state of matter has the MOST energy?
Nonamiya [84]

Answer:

Gas

Explanation:

The gas state of matter has the most energy because of how freely the molecules move

4 0
3 years ago
Which is true about light and heat?
Snowcat [4.5K]

My best guess is c) Dark colors reflect less radiation making them warmer.

hope this helps!

5 0
3 years ago
Read 2 more answers
Other questions:
  • A compressed spring has 16.2j of elastic potential energy when it is compressed 0.30m what is the spring constant of the spring
    9·1 answer
  • What is the average speed of a car that traveled 222.0 miles in 4.596 hours?
    13·1 answer
  • Hypothetically, suppose our resistance in part I was 200 ohms. Quantitatively calculate the impact of a 1 Ohm ammeter resistance
    11·1 answer
  • Is velocity a scalar or a vector
    12·2 answers
  • A car moves at a speed of 50 kilometers/hour. Its kinetic energy is 400 joules. If the same car moves at a speed of 100 kilomete
    9·2 answers
  • A plane is flying east when it drops some supplies to a designated target below. The supplies land after falling for 10 seconds.
    8·1 answer
  • HURRY I NEED IT NOW What is the density at 20oC of 12.0 milliliters of a liquid that has a mass of 4.05 grams?
    13·1 answer
  • A boy is exerting a force of 70 N at a 50-degree angle on a lawnmower. He is accelerating at 1.8 m/s2. Round the answers to the
    15·1 answer
  • How do you use the coefficient to calculate the number of atoms in each molecule?​
    6·2 answers
  • A shield of material that reflects neutrons is placed around a radioactive sample. Which change in the nuclear reaction is most
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!