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bearhunter [10]
3 years ago
13

Why is friction a problem in space travellers​

Physics
1 answer:
marin [14]3 years ago
7 0
The answer is gravitational:)
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The chemical equation shown represents photosynthesis. Carbon dioxide plus A plus light with a right-pointing arrow towards B pl
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4 years ago
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How does a dry cell produce electricity​
Angelina_Jolie [31]

Answer:

the cell which does not contain acid is called dry cell

Explanation:

it is made in a zinc container. if the dry cell is not used for a long time, it stops working due to local action.

<h3>thank you :)</h3>
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What is the energy of a single photon of infrared light with a wavelength of 1.00 µm? 1 µm = 10^-6m
notka56 [123]

Answer:

Energy is found as:

E = 1.987·10⁻¹⁹ J

Explanation:

Energy of a single photon of infrared light can be found by using the following formula:

E=hf

where

E = in Joules

h = Planck's constant = 6.627×10 ⁻³⁴ J

f = frequency in hertz

It can also be written as:

E = \frac{hc}{\lambda}

where

c = 2.998×10⁸ ms⁻¹

λ = wavelength

Wavelength is given in the question which is:

λ = 1×10⁻⁶m

Substitute all the values in the Energy formula

E = \frac{hc}{\lambda}\\E = \frac{(6.627\cdot10^{-34})(2.998\cdot10^8)}{1\cdot10^{-6}}\\E = 1.987\cdot10^{-19}J

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3 years ago
In the context of the loop and junction rules for electrical circuits, a junction is: Group of answer choices where a wire is be
vitfil [10]

Answer:

In the context of the loop and junction rules for electrical circuits, a junction is where three or more wires are joined.

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A point where at least three circuit paths meet i.e wires, is referred to as a junction.

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This type of wave is reflected by particles in the ionosphere
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