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Natali [406]
3 years ago
12

What would we do if we didn't have solar energy?

Physics
2 answers:
Anvisha [2.4K]3 years ago
8 0

We would have to use wind or another source

Paraphin [41]3 years ago
5 0

Answer:

We would be spending  more money without using solor

Explanation:

Renewable energy is also about ensuring our quality of life and for many it's about energy independence. I have solar panels which produce most of my electricity, when the city raised our rates by 40% it made little difference on my bill, if I hadn't installed my solar system it would have been an additional $80 per month.

I hope i was able to help you

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In which parts of a plant would u expect phototropism to occur?
Lubov Fominskaja [6]

Answer:

chloroplasts

Explanation:

Most plant shoots exhibit positive phototropism, and rearrange their chloroplasts in the leaves to maximize photosynthetic energy and promote growth.

3 0
3 years ago
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For the PE formula, why is the height required for calculations? Why do we need to know the height in order to determine PE? *
Fudgin [204]

Answer:

Answer in Explanation

Explanation:

Whenever we talk about the gravitational potential energy, it means the energy stored in a body due to its position in the gravitational field. Now, we know that in the gravitational field the work is only done when the body moves vertically. If the body moves horizontally on the same surface in the Earth's Gravitational Field, then the work done on the body is considered to be zero. Hence, the work done or the energy stored in the object while in the gravitational field is only possible if it moves vertically. This vertical distance is referred to as height. <u>This is the main reason why we require height in the P.E formula and calculations.</u>

The derivation of this formula is as follows:

Work = Force * Displacement

For gravitational potential energy:

Work = P.E

Force = Weight = mg

Displacement = Vertical Displacement = Height = h

Therefore,

P.E = mgh

5 0
3 years ago
A student throws a rock upwards. The rock reaches a maximum height 2.4 seconds after it was released.
Allisa [31]

Answer:

23.52 m/s

Explanation:

The following data were obtained from the question:

Time taken (t) to reach the maximum height = 2.4 s

Acceleration due to gravity (g) = 9.8 m/s²

Initial velocity (u) =..?

At the maximum height, the final velocity (v) is zero. Thus, we can obtain how fast the rock (i.e initial velocity)

was thrown as follow:

v = u – gt (since the rock is going against gravity)

0 = u – (9.8 × 2.4)

0 = u – 23.52

Collect like terms

0 + 23.52 = u

u = 23.52 m/s

Therefore, the rock was thrown at a velocity of 23.52 m/s.

7 0
3 years ago
5L=__ML<br> Express your answer in scientific notation<br> 5 x 109<br> 5x 106<br> 5x 103
Sphinxa [80]

Answer:

5000ml is the answer

Explanation:

multiply 5 time 1000

7 0
3 years ago
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Which location on the map above is a source of North Atlantic deep water?
aivan3 [116]

Answer:

A

Explanation:

Today there are three major deep ocean masses. North Atlantic Deep Water or NADW is mainly produced where the surface ocean is cooled in the Norwegian Sea in the northern part of the North Atlantic on the north side of a ridge that runs between Greenland, Iceland, and Scotland.

6 0
3 years ago
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