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3 years ago

Is oil from diesel a nonrenewable resource or a renewable resource?

Physics

1 answer:

faust18 [17]3 years ago

7 0

Petroleum is a mixture of various components such as petrol,diesel, lubricating oil,paraffin wax, etc

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Which of the following are examples of natural forces? A. optical B. phase C. gravity D. nuclear

denpristay [2]

The forces of nature are phase forces.

6 0

2 years ago

The amplitude of a lightly damped oscillator decreases by 3.42% during each cycle. What percentage of the mechanical energy of t

frozen [14]

Answer:

The percentage of the mechanical energy of the oscillator lost in each cycle is 6.72%

Explanation:

Mechanical energy (Potential energy, PE) of the oscillator is calculated as;

PE = ¹/₂KA²

During the first oscillation;

PE₁ = ¹/₂KA₁²

During the second oscillation;

A₂ = A₁ - 0.0342A₁ = 0.9658A₁

PE₂ = ¹/₂KA₂²

PE₂ = ¹/₂K (0.9658A₁)²

PE₂ = (0.9658²)¹/₂KA₁²

PE₂ = (0.9328)¹/₂KA₁²

PE₂ = 0.9328PE₁

Percentage of the mechanical energy of the oscillator lost in each cycle;

$Change \ in \ percent= \frac{PE_2 - PE_1}{PE_1} \\\\Change \ in \ percent= \frac{0.9328PE_1 -PE_1}{PE_1} *100\\\\Change \ in \ percent= \frac{-0.0672PE_1}{PE_1}*100 \\\\Change \ in \ percent= -0.0672*100\\\\Change \ in \ percent= -6.72 \ \% \\\\Loss \ in \ percent= 6.72 \ \%$

Therefore, the percentage of the mechanical energy of the oscillator lost in each cycle is 6.72%

4 0

2 years ago

Which statement best explains the movement of electric current from the clouds to the ground during a lightning storm? .

olga2289 [7]

"The ground is positively charged and the clouds are negatively charged " is the statement among the statements given in the question that best explains the movement of electric current from the clouds to the ground during a lightning storm. The correct option among all the options that are given in the question is the third option or option "C".

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2 years ago

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About three billion years ago, single-celled organisms called cyanobacteria lived in Earth’s oceans. They thrived on the ocean’s

pickupchik [31]

I think its Oxygen.
ancient cyanobacteria produced Earth's first oxygen-rich atmosphere, which allowed the eventual rise of eukaryotes. The chloroplasts of eukaryotic algae and plants are derived from cyanobacteria

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2 years ago

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What is the size of the smallest vertical plane mirror in which a 6 ft tall person standing erect can see her full-length image?

Alex Ar [27]

Answer:

3 ft

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5 0

3 years ago