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yulyashka [42]
2 years ago
15

Maya and Kenzie are discussing oil spills and how they impact the environment. How can humans help reduce the impact of oil spil

ls?
Physics
1 answer:
Stella [2.4K]2 years ago
6 0

Answer:

Using physical and chemical clean up methods to remove the oil

Explanation:

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A 10 kg rock that has been dropped from a 60 meter high cliff experiences an average force of air resistance of 30 N. Calculate
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Answer:

4086 J

Explanation:

The potential energy is transformed to kinetic energy less the frictional energy. Potential energy= mgh where m represent mass, g is acceleration due to gravity and h is the height of cliff

Since we have force of air resistance, work done due to air resistance will be product of force and distance

mgh-Fh= 0.5mv^{2}= KE

Substituting 10 Kg for m, 9.81 for g and 60 m for F then the kinetic energy at the bottom will be

KE= 10*9.81*60- (30*60)=4086 J

8 0
3 years ago
J.J. Thomson discovered the electron by noticing that: A. molecules with the same atoms exhibited the same chemical properties.
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J.J. Thomson discovered the electron by noticing that a beam of particles could be influenced by an electric or magnetic force.. That is option B.

<h3>What is an electron?</h3>

An electron can be defined as the part of an atom that is negatively charged and is found revolving round the nucleus of an atom.

J.J. Thomson was the scientist that discovered electrons through subjecting two oppositely-charged electric plates around the cathode ray.

He noticed that the particles where deflected by both the magnetic and electric fields.

Learn more about cathode rays here:

brainly.com/question/4441361

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2 years ago
Does water pressure depend on the total amount of water present? <br><br> (Will pick brainliest)
yaroslaw [1]

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No, because pressure is determined by force and the area over which that force acts.

Explanation:

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3 years ago
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