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denis-greek [22]
3 years ago
7

In this lab you will use a simulation to explore the process of radioactive decay. You will examine how long it takes for an iso

tope to decay. In the space below, write a scientific question that you will answer by doing this experiment.
Physics
2 answers:
nignag [31]3 years ago
4 0

Answer:

Include this in the question:

a change in the number of radioactive atoms

time

a connection between time and the number of radioactive atoms

Explanation:

this is what edge gave me 2020

Sergeu [11.5K]3 years ago
3 0

your answer should be “How does the number of radioactive atoms change over time?”

mark me brainliest

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Please could someone explain this.
icang [17]

This problem is to let you practice using Newton's second law of motion:

Force = (mass) x (acceleration)

-- The airplane's mass when it takes off (before it burns any of its load of fuel) is 320,000 kg.

-- The force available is (240,000 N/per engine) x (4 engines) = 960,000 N.

-- Now you know ' F ' and ' mass '.  Use Newton's second law of motion to calculate the plane's acceleration.

7 0
3 years ago
A child swings on a playground swing. How many times does the child swing through the swing's equilibrium position during the co
Karolina [17]
<h2>The child swing through the swing's equilibrium position 6 times during the course of 3 periods.</h2>

Explanation:

One period means time taken to complete one revolution.

In case of swings in one period time it travels the same position through two times.

Here we need to find how many times does the child swing through the swing's equilibrium position during the course of 3 period(s) of motion.

For 1 period = 2 times

For 3 periods = 3 x For 1 period

For 3 periods = 3 x 2 times

For 3 periods = 6 times

The child swing through the swing's equilibrium position 6 times during the course of 3 periods.

3 0
3 years ago
In one cycle, a heat engine takes in 1000 J of heat from a high-temperature reservoir, releases 600 J of heat to a lower-tempera
Talja [164]

Answer:

η = 40 %  

Explanation:

Given that

Qa ,Heat addition= 1000  J

Qr,Heat rejection= 600 J

Work done ,W= 400 J

We know that ,efficiency of a engine given as

\eta=\dfrac{W(net)}{Q(heat\ addition)}

Now by putting the values in the above equation ,then we get

\eta=\dfrac{400}{1000}

η = 0.4

The efficiency in percentage is given as

η = 0.4  x 100 %

η = 40 %

Therefore the answer will be 40%.

4 0
3 years ago
B) ¿Con qué experimentos o instrumentos se calibrarán los patrones distribuidos
Setler [38]
English please !!!!!!!
8 0
3 years ago
A human hair is approximately 50 pm in diameter. Express this diameter in meters.
cupoosta [38]

A human hair is approximately 50 μm = 5 × 10⁻⁵ m  in diameter

4 0
3 years ago
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