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
Vikki [24]
2 years ago
14

What is radioactivity????​

Physics
1 answer:
butalik [34]2 years ago
5 0

Radioactivity is a nuclear phenomenon. It is the process of spontaneous emission of α (alpha particles) or β (beta particles) and γ (gamma particles ) radiations from the nucleus of atoms during their decay.

  • Uranium and radium are the two radioactive substances.

Explanation:

<h3>Hope it helps you!!</h3>

You might be interested in
Identify two structural characteristics specific to muscle tissue.
Semmy [17]

Answer:

Explanation:

Muscle cells are excitable; they respond to a stimulus.meaning they can shorten and generate a pulling force. When attached between two movable objects, such as two bones, contraction of the muscles cause the bones to move.It contains protein fibers which contract to make the cell shorter.

7 0
3 years ago
Read 2 more answers
g Power is _________________the force required to push something the work done by a system the speed of an object the rate that
Levart [38]

Answer:

the rate that the energy of a system is transformed

Explanation:

We can define energy as the capacity or ability to do work. Power is defined as the rate of doing work or the rate at which energy is transformed. It can also be regarded as the time rate of energy transfer. In older physics literature, power is sometimes referred to as activity.

Power is given by energy/time. Its unit is watt which is defined as joule per second. Another popular unit of power is horsepower. 1 horsepower = 746 watts.

Very large magnitude of power is measured in killowats and megawatts.

4 0
3 years ago
"The ________ method can determine whether a string contains a value that can be converted to a specific data type before it is
dem82 [27]

Answer:

The method to determine whether a string contains a value that can be converted to a specific data type before it is converted to that data type

Explanation:

The Java string includes () method to check whether a particular sequence of character is the part of given sub string or not.

One string contain another string in Java or not.

The indexof() to check the string and substring in java

Hence java string include () method to check  whether a string contains a value that can be converted to a specific data type before it is converted to that data type

6 0
3 years ago
Individuals with favorable traits are ________ in an environment
77julia77 [94]
Succesful is correct.
6 0
3 years ago
What is role of force on the speed of moving object? ​
aivan3 [116]

Explanation:

this is the ans hope it works

8 0
3 years ago
Read 2 more answers
Other questions:
  • Letter C on the map labels which feature of the Middle East?
    9·1 answer
  • A constant force is applied to an object, causing the object to accelerate at 10 m/s^2. What will the acceleration be if the for
    8·1 answer
  • A car rounds a curve while maintaining a constant speed. Is there a net force on the car as it rounds the curve?
    6·1 answer
  • Two students conduct a study to investigate the relationship between forearm length and height. Maria measures the subjects in c
    5·1 answer
  • Jane is collecting data for a ball rolling down a hill. she measure out a set of different distances and then proceeds to use a
    9·1 answer
  • An iron railroad rail is 800 ft long when the temperature is 31°C. What is its length (in ft) when the temperature is −17°C?
    6·1 answer
  • Calculate the moment of 3kg and 20cm away from the pivot​
    8·1 answer
  • What is the force that keeps the Earth and other planets in their orbital paths?
    11·2 answers
  • A child with a weight of 430 N rides on a Ferris wheel, which has a radius of 17 m, and the linear velocity of the 3.5 m/s at an
    5·1 answer
  • 450 nm of light falls on a single slit of width 0.30 mm. What is the angular width of the central diffraction peak
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!