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Inga [223]
3 years ago
15

Why is using fossil fuels considered unsustainable?

Physics
2 answers:
Elena L [17]3 years ago
8 0

Answer:

Fossil Fuel is limited it is like coal there is a limit and it won't last forever. This also contributes that it is not safe for the environment as well as the safety and health of people. This is similar to when there are many factories around an area there is going to be a high percentage of respiratory diseases such as asthma.

ikadub [295]3 years ago
3 0

Answer:

Fossil fuels take millions of years to replenish

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Which statement best compares the accelerations of two objects in free fall?
gregori [183]

Answer:

D) The objects have the same acceleration. With no air resistance and the same gravity, the acceleration due to gravity should be the same for both objects.

8 0
3 years ago
An AC voltage, whose peak value is 17.0 V, is across a 329.0 Ohm resistor. What is the value of the rms current in the resistor?
ivann1987 [24]

Answer:

0.0365 A

Explanation:

Data provided in the question:

Peak value of the voltage, V = 17.0 volts

Resistance of the resistor, r = 329.0 ohm

Now,

The rms current (I_{rms}) is given by the relation as:

I_{rms}=\frac{V}{\sqrt2\times R}

on substituting the respective values, in the equation, we get

I_{rms}=\frac{17.0}{\sqrt2\times329.0}

or

I_{rms} = 0.0365 A

Hence, the rms current is 0.0365 A

6 0
3 years ago
What best describes white light as it travels through a prism? Check all that apply. The light slows down. The light bends in th
VMariaS [17]
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<span>1. The light slows down.
2. The light bends in the prism.
3. Light reflects off of the surface of the prism. 
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5 0
3 years ago
Read 2 more answers
What is the moment of inertia of an object that rolls without slipping down a 3.5-m- high incline starting from rest, and has a
Daniel [21]

Answer:

I = 0.287 MR²

Explanation:

given,

height of the object = 3.5 m

initial velocity = 0 m/s

final velocity  = 7.3 m/s

moment of inertia = ?

Using total conservation of mechanical energy

change in potential energy will be equal to change in KE (rotational) and KE(transnational)

PE = KE(transnational) + KE (rotational)

mgh = \dfrac{1}{2}mv^2 + \dfrac{1}{2}I\omega^2

v = r ω

mgh = \dfrac{1}{2}mv^2 + \dfrac{1}{2}\dfrac{Iv^2}{r^2}

I = \dfrac{m(2gh - v^2)r^2}{v^2}

I = \dfrac{mr^2(2\times 9.8 \times 3.5 - 7.3^2)}{7.3^2}

I =mr^2(0.287)

I = 0.287 MR²

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3 years ago
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