What is common to all fossil fuels?

2 answers:

4 0

All fossil fuels are formed deep underground. They are all nonrenewable energy sources. They are all made of hydrocarbons.They all release carbon dioxide pollution when burned.

Hope this helps xox :)

natta225 [31]3 years ago

3 0

All fossil fuels are formed deep underground. they are all nonrenewable energy

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The resistance of moving surfaces produces ________?

Ksenya-84 [330]

The resistance of moving surfaces produces friction.
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True.
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7 0

3 years ago

A 12.0-g rock is placed in a slingshot with a spring constant of 200 N/m. The rock is stretched back 0.500 m. After the slingsho

kaheart [24]

The maximum velocity of the rock is 64.55 m/s

Answer: Option B

Explanation:

The possessed energy by the objects while motion called kinetic energy. It is directly proportionate to mass and square of velocity. The stored energy in the system called potential energy and expressed as below,

$\text { potential energy }=\frac{1}{2} \times(\text { spring constant }) \times\left(\text { distance from equilibrium) }^{2}\right.$

$U=\frac{1}{2} \times k \times x^{2}$

U = spring’s potential energy in certain place

k = the spring constant, in N/m.

x = the spring’s distance is stretched or compressed away from equilibrium

Conservation of energy states energy neither created nor destroyed but change from one form to other. So, using this concept, equating both potential and kinetic energies equation we get,

$\frac{1}{2} \times m \times v^{2}=\frac{1}{2} \times k \times x^{2}$