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victus00 [196]
3 years ago
5

Which is a renewable energy resource? coal petroleum wind natural gas

Physics
2 answers:
Burka [1]3 years ago
3 0
Wind because you can't really run out of it
alukav5142 [94]3 years ago
3 0

Answer:

wind is the correct answer.

Explanation:

wind is a renewable energy resource whereas coal, petroleum and natural gas are non renewable energy resources.

Renewable resources are those resources that can be replaced naturally that why it is unlimited in supply and it can be used regularly whereas nonrenewable resources are those which cannot be replaced by natural means, cannot be replenished and they are limited in supply

Wind is an example of renewable energy resources because they are unlimited and it can be replaced naturally.

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Blababa [14]
<span>Answer: Therefore, x component: Tcos(24°) - f = 0 y component: N + Tsin(24°) - mg = 0 The two equations I get from this are: f = Tcos(24°) N = mg - Tsin(24°) In order for the crate to move, the friction force has to be greater than the normal force multiplied by the static coefficient, so... Tcos(24°) = 0.47 * (mg - Tsin(24°)) From all that I can get the equation I need for the tension, which, after some algebraic manipulation, yields: T = (mg * static coefficient) / (cos(24°) + sin(24°) * static coefficient) Then plugging in the values... T = 283.52. Reference https://www.physicsforums.com/threads/difficulty-with-force-problems-involving-friction.111768/</span>
7 0
3 years ago
The position-time graph for two drivers (A and B) are shown in the figure below. Which of the following statements is correct?
elena-14-01-66 [18.8K]

Answer:

A

Explanation:

5 0
2 years ago
True or False? In an RL circuit, the larger the value of R (i.e. the resistance of the circuit), the longer it takes the circuit
Luba_88 [7]

Answer:

1.False

2.4 E

Explanation:

1.We have to find the statement is true or false.

We know that

Time constant,\tau=\frac{L}{R}

Time constant is inversely proportional to resistance R .It means when R increases then time constant decreases when R decrease then the time  constant decreases.

Statement:The larger the value of R ,the longer it takes the circuit to reach its final steady- state value

It is false.

2.Energy stored in inductor,E=\frac{1}{2}LI^2

When I'=2I

Then, E'=\frac{1}{2}L(2I)^2=\frac{1}{2}LI^2\times 4=4 E

Hence,the new total energy will become 4 E.

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3 years ago
A particle moving along the x-axis has its velocity described by the function vx =2t2m/s, where t is in s. Its initial position
Illusion [34]

Answer:

Follows are the solution to this question:

Explanation:

In point a:

Place of particles

X(t)=\int V_{x}(t)dt

       =\int 2t^{2}dt\\\\=\frac{2}{3}t^{3}+C

\to t=0\\\\ \to X(0)=2.3 \ m

\to X(0)=0+C\\\\ \to C=2.3\  m

\to X(t)=( \frac{2}{3})t^3 + 2.3\\\\ \to t=2.2\\\\\to X=( \frac{2}{3})\times 2.2^3 +2.3 \\\\

        = \frac{2}{3}\times 10.648 +2.3\\\\= \frac{21.296}{3}+2.3\\\\  = 7.09+2.3\\\\ =9.39\\\\ =9.4\ m

In point b:

when t=2.2 \ s

the Particle velocity  (V)=2 \times 2.22 =9.68\  \frac{m}{s}

In point c:

Calculating the Particle acceleration:

\to a=\frac{dV}{dt} =4\ t\\\\\to t=2.2 \ s\\\\\to a=4\times 2.2  =8.8 \ \frac{m}{s^2}

8 0
3 years ago
Which mineral test was used if a geologist refers to a mineral as metallic?
natita [175]
They would use a magnet
4 0
3 years ago
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