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
aliya0001 [1]
3 years ago
9

Why are some atoms radioactive

Physics
1 answer:
Dmitry_Shevchenko [17]3 years ago
8 0
Atoms<span> are made of three types of sub-atomic particle: neutrons and protons in the nucleus and electrons orbiting the nucleus. </span>Some<span> materials are </span>radioactive<span> because the nucleus of each </span>atom<span> is unstable and gives out nuclear radiation in the form of alpha particles, beta particles or gamma rays.</span>
You might be interested in
Use the drop-down menus to complete the statements. When the 5.0 kg cylinder fell 100 m, the final temperature of the water was
OLEGan [10]

Answer:

A. 26.17 B. 1.17 C. 30.86 D. 5.86

Explanation:

7 0
3 years ago
How do the amplitudes of a 120 decibel sound and a 100-decibel sound compare?​
NemiM [27]
The 120 decibel sound has more amplitude than the 100 decibel sound.

In Physics, the relation between amplitude and intensity is that the intensity of the wave is directly proportional to the square of its amplitude.
4 0
2 years ago
7. How do Newton’s laws of motion explain why it is important to keep the ice smooth on a hockey rink so that players can pass a
Arisa [49]
The first law states that “objects at rest and objects in motion remain in motion in a straight line unless acted upon by an unbalanced force”. Keeping the ice smooth will make sure there is not friction, friction would slow the puck down
5 0
3 years ago
Read 2 more answers
A 2.8-kg physics cart is moving forward with a speed of 45 cm/s. A 1.9-kg brick is dropped from rest and lands on the cart. The
anzhelika [568]

Hey! How are you? My name is Maria, 19 years old. Yesterday broke up with a guy, looking for casual sex.

Write me here and I will give you my phone number - *pofsex.com*

My nickname - Lovely

4 0
3 years ago
Humans are capable of vastly more complex thoughts and feelings due to the ever-adapting web of connection among?
salantis [7]
Are there answer choices ?
3 0
3 years ago
Other questions:
  • PLEASE HELP ASAP!! CORRECT ANSWER ONLY PLEASE!!
    5·2 answers
  • Each blade of a fan has a radius of 11 inches. If the fan’s rate of turn is 1440o /sec, find the following. (a) The angular spee
    10·1 answer
  • What momentum of a 50kilogram ice skater gliding across the ice at a speed of 5m/s?
    14·2 answers
  • Specialized visual receptors that assist mostly in nighttime vision are __________. A. cones B. rods C. fovea D. optic disks Ple
    5·2 answers
  • slader A baseball player slides to a stop on level ground. Using energy consideration, calculate the distance the 65 kg baseball
    8·1 answer
  • A 845kg dragster (very fast car) accelerates from 2m/s to 30m/s in 0.9s. Determine the average force exerted on the dragster.
    9·1 answer
  • a plane passes over Point A with a velocity of 8,000 m/s north. Forty seconds later it passes over Point B with a velocity of 10
    8·1 answer
  • What is the energy equivalent of an object with a mass of 2.5 kg? 5.5 × 108 J 7.5 × 108 J 3.6 × 1016 J 2.25 × 1017 J
    6·2 answers
  • Please help asap!!!!
    6·1 answer
  • explain why the different thermal conductivities of metal and plastic are important in the design of the bowl.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!