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
Arte-miy333 [17]
3 years ago
12

Use the following half-life graph to answer the following question:

Physics
1 answer:
Temka [501]3 years ago
3 0

Answer:

A 1.0 min

Explanation:

The half-life of a radioisotope is defined as the time it takes for the mass of the isotope to halve compared to the initial value.

From the graph in the problem, we see that the initial mass of the isotope at time t=0 is

m_0 = 50.0 g

The half-life of the isotope is the time it takes for half the mass of the sample to decay, so it is the time t at which the mass will be halved:

m'=\frac{50.0 g}{2}=25.0 g

We see that this occurs at t = 1.0 min, so the half-life of the isotope is exactly 1.0 min.

You might be interested in
Which event is an example of a contact force?
Scorpion4ik [409]

Answer:

D. a person pulling a sled.

Explanation:

contact force only occurs when something directly comes in contact with another object.

a. is wrong because that is called magnetic force.

b. gravitational force

c. is an electrical force

4 0
3 years ago
a runner covers the last straigjt stretch of a race in 4 s. during that time, he speeds up from 5m/s to 9m/s.
PtichkaEL [24]

During that final period of time,
his acceleration is
                                (9 m/s - 5 m/s) / (4 sec) = 1 m/s² .

Did you have a question to ask ?

8 0
3 years ago
In the parallelogram shown, AE = t + 2, CE = 3t − 14, and DE = 2t + 8.
solniwko [45]
The answer would be 48
7 0
3 years ago
Read 2 more answers
Can y'all please help me out with this ?
Inessa05 [86]

Answer:

no where is the main part of the question dude

3 0
3 years ago
Newer aircraft jet catapult systems use magnets instead of steam. The launch still takes 1.19 seconds, but the acceleration is a
Westkost [7]

Answer:

33.6 m

Explanation:

Given:

v₀ = 0 m/s

a = 47.41 m/s²

t = 1.19 s

Find: Δx

Δx = v₀ t + ½ at²

Δx = (0 m/s) (1.19 s) + ½ (47.41 m/s²) (1.19 s)²

Δx = 33.6 m

8 0
3 years ago
Other questions:
  • What is the definition of work in Physics?
    8·1 answer
  • A piece of thin uniform wire of mass m and length 3b is bent into an equilaeral triangle.
    13·1 answer
  • A thermometer is placed in water in order to measure the water’s temperature. What would cause the liquid in the thermometer to
    13·2 answers
  • Did the bigbang violate the law of conservation of energy and matter?
    11·1 answer
  • Current passes through a solution of sodium chloride. In 1.00 second, 2.68×1016Na+ ions arrive at the negative electrode and 3.9
    9·1 answer
  • Can we use a copper wire instead of eureka wire
    11·1 answer
  • A 2.7 kg block of ice at a temperature of 0.0◦C and an initial speed of 6.5 m/s slides across a level floor. If 3.3 × 105 J are
    11·1 answer
  • What does it mean if one person has a higher value for power?
    14·2 answers
  • A marble rolls off a table from a height of 1.5 meters. Approximately how much time was the marble in the air?
    6·1 answer
  • Which lists the evidense to varify a chemical change occurred instaed of a phicical change
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!