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RSB [31]
4 years ago
10

A star's emission spectrum consists of

Physics
1 answer:
worty [1.4K]4 years ago
7 0
A star's emission spectrum consists of color lines indicating wavelength of light, black lines indicating wavelength of light, and a rainbow of all the colors of visible light; one red light.
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Which of the following are a units of energy? Select all that apply.
nikdorinn [45]

Answer:

Hey there

Your answer should be Joules, Watts, and J/s.

The joule

The joule (pronounced jool) is a derived unit of energy in the International System of Units. It is equal to the energy transferred to (or work done on) an object when a force of one newton acts on that object in the direction of the force's motion through a distance of one metre (1 newton-metre or N⋅m). It is also the energy dissipated as heat when an electric current of one ampere passes through a resistance of one ohm for one second. It is named after the English physicist James Prescott Joule (1818–1889).

The Watt

The watt (symbol: W) is a unit of power or radiant flux. In the International System of Units (SI), it is defined as a derived unit of (in SI base units)[1][2] 1 kg⋅m2⋅s−3 or, equivalently,[3] 1 joule per second (J/s). It is used to quantify the rate of energy transfer. The watt is named after James Watt (1736-1819), an 18th-century Scottish inventor.

I beg your parden

If I am correct may I please have the brainly

6 0
3 years ago
Suppose your hair grows at the rate of 1/55 inch per day. Find the rate at which it grows in nanometers per second. Because the
qwelly [4]

Answer:5.35nm

Explanation:

Consider that 1 inch is = 0.0254m

we have,

1m= 1x10^9 nm  

While:

0.0254m = 2.54x10^7nm  

1/55 (2.54x10^7) = 4.6181 x 10^5nm  

1 day= 24 hrs  

= (24x60) when calculating in min  

= (24x60x60) calculating in seconds we have:

= 8.64x10⁴sec  

In 8.64x10^4 seconds, the hair grows by 4.6181 x 10^5nm

Therefore, the amount by which the hair grows in 1 second  will be;

= (4.6181 x 10^5)/(8.64x10^4)  

= 5.35nm  

The rate of growth will be 5.35nm

7 0
4 years ago
How is energy conserved in a transformation?
Aleksandr [31]
This depends entirely on the type of transformation of energy that is taking place, mechanical to thermal, thermal to mechanical, etc. But energy is always conserved, although it may take a different form.
4 0
3 years ago
Read 2 more answers
In transduction, the cochlea is part of this structure:
anyanavicka [17]

Answer:

wats up

Explanation:

8 0
3 years ago
Why do so many of the people of India live in the Ganges River Valley?
irga5000 [103]
The river provides fertile soil for farming
5 0
3 years ago
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