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MatroZZZ [7]
3 years ago
5

Which kind of mechanical wave needs a source of energy to produce it?

Physics
2 answers:
Over [174]3 years ago
6 0
I think the answer would be T<span>ransverse, Longitudinal, & Surface waves.

</span>
marusya05 [52]3 years ago
3 0
The answer is surface wave, transverse wave, and longitudinal wave!
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a sample contains 100 g of radioactive isotope. How much radioactive isotope will remain in the sample after 1 half-life?
kap26 [50]

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

8 0
2 years ago
What is the calculation for elastic potential?
grin007 [14]
Elastic potential energy is equal to the force times the distance of movement. Elastic potential energy = force x distance of displacement. Because the force is = spring constant x displacement, then the Elastic potential energy = spring constant x displacement squared.
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3 years ago
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Marina CMI [18]
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6 0
3 years ago
Drag and drop each organic compound's role in nutrition next to the its name. Not all tile will be used.
iogann1982 [59]

Answer:

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Stored body fat is called adipose tissue. Stored fat not only provides an energy reserve, but also cushions and protects internal organs. In addition, stored fat insulates the body and helps prevent heat loss in cold weather

Explanation:

3 0
2 years ago
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deff fn [24]
I like playing basketball. So I'm the object in motion. Until an unbalanced force comes and hits me I fall and stay at rest. 
5 0
3 years ago
Read 2 more answers
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