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umka21 [38]
2 years ago
14

Which of these will NOT help reduce c02 levels in the atmosphere?

Physics
1 answer:
denpristay [2]2 years ago
4 0

Answer:

the answer would be "using more heat" btw

Explanation:

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Height and depth..... for sure....

7 0
3 years ago
A force of 20.0 N is applied to a 3.00 kg object for 4.00 seconds. Calculate the impulse experienced by the object.​
GenaCL600 [577]

Answer:

Impulse = 80Ns

Explanation:

Given the following data;

Mass = 3kg

Force = 20N

Time = 4 seconds

To find the impulse experienced by the object;

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Impulse = 80Ns

Therefore, the impulse experienced by the object is 80 Newton-seconds.

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2 years ago
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8 0
3 years ago
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The speed of a boat in still water is 20 mph. it travels from one pier to another with the current in 4 hours and back against t
saw5 [17]
The answer is, "the speed of the current is 5 miles per hour."

To calculate the speed of the current,
let's assume speed of current =  xmph. Time taken to travel from one pier to another with the current = 100/(20+x)h


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4x = 20

x = 5 Thus, the speed of the current is 5 miles per hour.
3 0
3 years ago
Dish-shaped reflectors are used to steer microwaves in order to establish communications links between nearby buildings. Those r
Ad libitum [116K]

A "screen" or even just a set of parallel bars are highly reflective to electromagnetic waves as long as the open spaces are small compared to the wavelengths.

"Grid" dishes work fine ... with less weight and less wind resistance ... for frequencies below about 3 GHz. (Wavelengths of at least 10 cm.)

(I even worked on a microwave system in South America where huge grid dishes were used on a 90-mile link.)

5 0
3 years ago
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