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jok3333 [9.3K]
3 years ago
6

Which energy source for electricity would cause the least damage to the planet?

Physics
2 answers:
Temka [501]3 years ago
8 0

Answer:

Solar Energy .

Explanation:

We widely use 2 kinds of sources of energy . Coal and Nuclear . on burning coal we get carbon monoxide , which can kill a vast majority of peope . Also coal contains sulfur and other elements, including dangerous metals such as mercury, lead, and arsenic, that escape into the air when coal is burned.

Nuclear energy produces radioactive waste. nuclear power creation causes lots of damge to our envirnment .The radio active waste remains active and are harmful for living being health.

While on the other hand solar energy though comes expensive , but trust me ! its worth using it .Its absolutely fine if we spend lots of money and save even 1 person's life . Its a renewable source , and we can invest the money by saving utility bills .

ikadub [295]3 years ago
3 0

Answer:

Solar panels

Explanation:

Not given answer choices, but this is efficient as energy is taken from the sun.

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A rocket is sitting on the launch pad. The engines ignite, and the rocket begins to rise straight upward, picking up speed as it
grandymaker [24]

Answer:

e. Only the rocket's motion from the top of its flight path until just before landing is free-fall.

Explanation:

A free-fall  is a fall just under force of gravity. The rocket;s upward motion is result of engine push - even if it was shut down  - and rocket free of engine push effect when it reaches it's maximum height after shutting down of engine. Then rockets stops at it's maximum height for a moment and rtuens back as free fall with only force of gravitation pulling it back to ground with acceleration 'g'.

4 0
3 years ago
If a train going 60 m/s hits the breaks, and it takes the train 85 seconds to stop, what is the train´s acceleration
Flauer [41]

Acceleration is change in velocity over time --> a = \frac{Δv}{t}

Δv or change in velocity equals the Final velocity minus the initial velocity

Our initial velocity here is 60m/s while our final velocity is 0 m/s

The time interval is 85 seconds so...

a = \frac{0-60}{85}

a = \frac{-60}{85}

a = -0.706

The negative is there to indicate that the train in slowing down or decelerating

4 0
4 years ago
11. In a transverse wave that travels through a medium, the molecules of the medium vibrate
Nady [450]

"Transverse" means that <span>the molecules of the medium vibrate
at right angles to the direction in which the wave travels.

</span>
5 0
4 years ago
g When a thin-filament light bulb is connected to two 1.6 V batteries in series, the current is 0.075 A. What is the resistance
larisa [96]

Answer:

R = 42.67 ohms

Explanation:

It is given that, a thin-filament light bulb is connected to two 1.6 V batteries in series, the current is 0.075 A.

It means that when two batteries are connected in series, then the total voltage is 3.2 volts

Let R is the resistance of the glowing thin-filament bulb. So, using Ohm's law we get :

V=IR\\\\R=\dfrac{V}{I}

So,

R=\dfrac{3.2}{0.075}\\\\R=42.67\ \Omega

So, the resistance of the bulb is 42.67 ohms.

5 0
4 years ago
Which gas do plants absorb from the atmosphere during photosynthesis?
vazorg [7]
Carbon Dioxide is what you are looking for
5 0
3 years ago
Read 2 more answers
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