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user100 [1]
2 years ago
11

True or false? rocks have organic materials and fossil remains in them

Physics
1 answer:
Elina [12.6K]2 years ago
3 0

Answer:

trueeeee

Explanation:

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Which of the following equations describes Newton’s second law
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Newton’s Second Law is F=ma (force is equal to the mass multiplied by acceleration), however, the equation can be rearranged to isolate and calculate mass from force over acceleration. Therefore, m=F/a
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A system undergoes a two-step process. In the first step, the internal energy of the system increases by 222 J when 150 J of wor
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Answer:0 J

Explanation:

Given

For first step

change in internal Energy of the system is \Delta U_1=222 J

Work done on the system W_1=-150 J

For second step

change in internal Energy of the system is \Delta U_2=123 J

Work done on the system W_2=-195 J

Work done on the system is considered as Positive and vice-versa.

and from first law of thermodynamics

Q=\Delta U+W

for first step

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Q_2=123-195=-72 J

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Q_{net}=72-72 =0

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8 0
3 years ago
Question Part Points Submissions Used A car is stopped for a traffic signal. When the light turns green, the car accelerates, in
olya-2409 [2.1K]

(a) 328.6 kg m/s

The linear impulse experienced by the passenger in the car is equal to the change in momentum of the passenger:

I=\Delta p = m\Delta v

where

m = 62.0 kg is the mass of the passenger

\Delta v is the change in velocity of the car (and the passenger), which is

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So, the linear impulse experienced by the passenger is

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(b) 404.7 N

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Solving the equation for F, we find the magnitude of the average force experienced by the passenger:

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What does aerobic refer to?
Gnesinka [82]

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