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
NISA [10]
3 years ago
15

Sr-90 has a half-life of T1/2 = 2.85 a (years). How much Sr-90 will remain in a 5.00 g sample after 5.00 a? Show all of your wor

k. (2 marks)
Physics
1 answer:
Molodets [167]3 years ago
6 0

Answer:

1.48 g

Explanation:

A = A₀ (½)^(t / T)

where A is the final amount,

A₀ is the initial amount,

t is time,

and T is the half life.

A = (5.00 g) (½)^(5.00 a / 2.85 a)

A = 1.48 g

You might be interested in
A bird flies directly into the windshield of a moving car. How does the FORCE exerted on the car compare to the FORCE exerted on
Anarel [89]

Answer:

b

Explanation:

7 0
3 years ago
लाइ फ्युजका<br>4<br>Why MCB is called the developed form of fuse? Give the reason​
DerKrebs [107]

Miniature circuit breakers is called the developed form of fuse because MCBs are more sensitive to current than fuses. They immediately detect any abnormality and switch off the electrical circuit automatically. This prevents any permanent damage to electrical appliances and human beings

8 0
3 years ago
What is most likely the relationship between Mendel’s rules of genetics and Darwin’s idea of biological evolution?
xenn [34]

Answer:

Darwin's theory of natural selection lacked an adequate account of ... Darwinian principles now play a greater role in biology than ever before, .... Sadly, even if Mendel had lived to see the rediscovery of his work, he probably .... evolutionary forces are acting, a genetic equivalent to Galileo's law of inertia.

Explanation:

4 0
3 years ago
Convection requires______to transfer heat.
mylen [45]
The movement of fluid
6 0
3 years ago
How much energy will be transferred to your eardrum while listening to this sound for 1.0 min?
Phoenix [80]

So E = 2x10^-3W/m^2*(π*(3.0x10^-3m)^2)*1min*60s... = 3.4x10^-6J

5 0
3 years ago
Other questions:
  • There have been several proposed atomic models during the last 150 years. Which model best illustrates the Bohr model. This mode
    10·2 answers
  • When you double your speed, it takes about _____ times as much distance to stop?
    9·1 answer
  • The amount of power required to move an object can be increased without changing the
    10·1 answer
  • Practice questions, will mark brainliest!
    5·1 answer
  • If a ball dropped from a tower reaches the ground after 3.5 seconds, what is the height of the tower? Given: g = –9.8 meters/sec
    14·1 answer
  • What is the work energy transfer equation?
    9·2 answers
  • Need help ASAP!!!!!!!!!!!
    15·1 answer
  • Cellular respiration occurs in the body 24 hours per day. During exercise, the rate of cellular respiration increases. Why does
    7·2 answers
  • How long does it take light from a camera to travel to the face of someone standing 7 meters away?
    13·1 answer
  • A 0.85 kg soccer ball is booted straight up in the air. If it left the soccer player's foot at a height of 1.0 m and reaches a h
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!