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LenKa [72]
3 years ago
12

What type of energy is released when fossil fuels are burned?

Physics
1 answer:
loris [4]3 years ago
6 0
D. Chemical Energy because of the energy stored in it.

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Drawing is an easy way to connect to your inner child

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What is a longitudinal wave?
GenaCL600 [577]

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Longitudinal waves are waves in which the displacement of the medium is in the same direction as, or the opposite direction to, the direction of propagation of the wave. ... In longitudinal waves, the displacement of the medium is parallel to the propagation of the waves.

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The table shows information about four students who are running around a track. Which statement is supported by the information
murzikaleks [220]

Answer:

Mohammed has less kinetic energy than Autumn

Explanation:

The kinetic energy of each student is given by:

K=\frac{1}{2}mv^2

where

m is the mass of the student

v is the speed of the student

Let's use the formula above to calculate the kinetic energy of each student:

- Autumn: K=\frac{1}{2}(50 kg)(4 m/s)^2=400 J

- Mohammed: K=\frac{1}{2}(57 kg)(3 m/s)^2=256.5 J

- Lexy: K=\frac{1}{2}(53 kg)(3 m/s)^2=238.5 J

- Chiang: K=\frac{1}{2}(64 kg)(5 m/s)^2=800 J

Therefore, by looking at the numbers, we see that the correct answer is

Mohammed has less kinetic energy than Autumn

7 0
3 years ago
Read 2 more answers
What is the elastic potential energy of a spring that is compressed a distance of 0.35 m and has a spring constant of 71.8 N/m?
Vitek1552 [10]

Answer:

P.E = 4.398 Joules.

Explanation:

Given the following data;

Spring constant, k = 71.8N/m

Displacement, x = 0.35m

To find the elastic potential energy;

The elastic potential energy of an object is given by the formula;

P.E = \frac {1}{2}kx^{2}

Substituting into the equation, we have;

P.E = \frac {1}{2}*71.8 *(0.35)^{2}

P.E = 35.9 * 0.1225

Elastic potential energy = 4.398 Joules.

<em>Therefore, the elastic potential energy of the spring is 4.398 Joules. </em>

3 0
3 years ago
Why should we invest more money in renewable energy resources
oksian1 [2.3K]

Answer:

It is the smarter option.

Explanation:

Renewable energy is the cheapest source of new power generation for more than two-thirds of the world and has no fuel costs. It can reduce the economic burden of energy bills by eliminating fuel charges — especially when coupled with energy-efficiency upgrades in our homes and businesses.

3 0
3 years ago
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