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skad [1K]
3 years ago
13

Which term describes an observed pattern in nature without any attempt to explain it? a) scientific law b) scientific hypothesis

c) scientific conclusion d) scientific theory
Physics
2 answers:
Gwar [14]3 years ago
4 0
Scientific law. Hope that helps you out some!
butalik [34]3 years ago
3 0

Answer:Scientific law.

Explanation:

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Answer: This is not easy lol

Explanation:

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How should the flight controls be held while taxiing a tricycle-gear equipped airplane with a left quartering tailwind?
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When connected to a battery, a lightbulb glows brightly. If the battery is reversed and reconnected to the bulb, the bulb will g
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4 years ago
Several years from now you have graduated with an engineering/physics degree and have been hired by a nanoengineering firm as an
nadya68 [22]

Answer:

See attached handwritten document for answer

Explanation:

5 0
3 years ago
A 100.0 gram sample of Polonium-210 is contained for 552 days. How many half-lives occur during this period of time, if the half
Leto [7]

Answer:

4 half-lives will occur during this period of time.

Explanation:

Formula used :

a_o=a\times e^{-\lambda t}

\lambda =\frac{0.693}{t_{1/2}}

a=\frac{a_o}{2^n}

where,

a = amount of reactant left after n-half lives and time t

a_o = Initial amount of the reactant.

\lambda = decay constant

t_{1\2} = half life of an isotope

n = number of half lives

We have :

a_o=100.0 g

a = ?

t = 552 days

t_{1/2}=138 days

a=100.0 g\times e^{-\frac{0.693}{138}\times 552}

a=6.254 g

6.254 g=\frac{100.0 g}{2^n}

2^n=\frac{100.0 g}{6.254 g}

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4 half-lives will occur during this period of time.

4 0
3 years ago
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