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sammy [17]
3 years ago
5

What are types of scientific explanation​

Biology
1 answer:
vagabundo [1.1K]3 years ago
5 0

Answer:

theories, models, and laws

Explanation:

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Explain the law of motion needed to solve this problem and then solve it. On Planet Zorg, a 30 kg barbell can be lifted by only
vladimir2022 [97]
Law of Motion says that every object that moves uniformly tends to stay in that state unless a force is applied to it. Force is equal to the mass of that object multiplied by its acceleration:
F = m × a 
The unit of force is N = kg * m/s².

Q1: T<span>he acceleration of gravity on Planet Zorg is unknown:
a = ?

</span>We know:
F = 180 N
<span>m = 30 kg
</span><span>
Since F = m </span>× a, then:
a = F/m
a = 180 N/30kg
a = 180 kg*m/s² / 30 kg
a = 6 m/s².
So, the acceleration of gravity on Planet Zorg is <span>6 m/s².

Q2: Force needed to change the motion of the object on the Earth is unknown:
F = ?

We know:
a = 9.8 </span><span>m/s²
m = 30 kg

If F = m </span>× a, then:
F = 30 kg × 9.8 m/s²
F = 294 N
So, f<span>orce needed to change the motion of the object on the Earth is 294 N.</span>
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3 years ago
EXPERT HELP: Some species can reproduce sexually or asexually. In which two situations is sexual reproduction advantageous?
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B - When many individuals of the same species are available for mating.
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C - When the individuals live in a stable environment in which they thrive.
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3 years ago
Read 2 more answers
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