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
Darya [45]
2 years ago
8

a sample contains 100 g of radioactive isotope. How much radioactive isotope will remain in the sample after 1 half-life?

Physics
1 answer:
kap26 [50]2 years ago
8 0

Answer:

\huge\boxed{50g}

Definition:

Half-life- The time taken for half of the radioactive isotopes to decay.

Explanation:

How does radioactive decay work? Radioactive decay is a process by which unstable nuclei become more stable through the emission of alpha or beta particles or gamma rays.

Since a half-life is the time taken for half of the isotopes to decay, we can simply divide the initial mass of 100 grams by 2; this gives us 50 grams.

1) Divide 100g by 2.

\frac{100g}{2}=50g

You might be interested in
What causes spring and neap tides, rotation or revolution
jasenka [17]
Rotation causes them
7 0
2 years ago
What is the reaction force of the table with a weight of 558N
Delicious77 [7]

Answer: reaction force = -558N

Explanation:

w = f = 558N

since action force and reaction force are equal in magnitude and opposite in direction,

reaction force = -(f)

reaction force = -558N

if that helps.

8 0
3 years ago
7. When initially-unpolarized light passes through three polarizing filters, each oriented at 45 degree angles from the precedin
GREYUIT [131]

Answer:

Explanation:

Let the intensity  of unpolarised light be I₀ . After passing through the first polarising filter , the intensity  is I₀ / 2 .

After second filter , the intensity  will be  I₀ / 2 x cos²45 =  I₀ / 4

After third filter , the intensity will be I₀ / 4  x cos²45 = I₀ / 8 .

So,

1 / 8 the of initial light passes through the last filter .

7 0
3 years ago
The space shuttle is descending through the earth's atmosphere. How is the force of gravity affected?
polet [3.4K]
The answer would be C. It will decrease with descent. Hope this helps!
5 0
3 years ago
Read 2 more answers
A cup of tea is mixutre true or false​
Hitman42 [59]

Answer:

this is very true

Explanation:

I I should know I'm a tea fanatic

6 0
3 years ago
Other questions:
  • Which of the following frequencies falls in the range of RF waves used by commercial radio broadcasting stations?
    9·2 answers
  • What is the period of a pendulum that takes 5 seconds to make a complete back and forth vibration
    7·1 answer
  • As the kinetic energy of an object increases, so does the _________ energy produced. A) heat B) light C) atomic D) potential
    7·2 answers
  • A stone with a mass m is dropped from an airplane that has a horizontal velocity v at a height h above a lake. If air resistance
    6·1 answer
  • What is the measure of how much a material resists the formation of an electric field?
    5·1 answer
  • Which statements apply to transverse waves? Check all that apply.
    11·2 answers
  • An elite Tour de France cyclist can maintain an output power of 470 W during a sustained climb. Part A At this output power, how
    6·1 answer
  • A rectangular steel plate expands as it is heated. Find the rate of change of area with respect to temperature T when the width
    15·1 answer
  • A car of mass 750kg accelerates away from traffic lights. At the end of the first 100m it has reached a speed of 12 m/s. During
    7·2 answers
  • A 0.145 kg ball moving in the +x direction at 14 m/s is hit by a bat. The ball's final velocity is 20.0 m/s in the -x direction.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!