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Anika [276]
3 years ago
5

How is thermal energy transferred during conduction? Check all that apply.

Physics
1 answer:
rodikova [14]3 years ago
3 0

Answer:

2, 3 and 5.

Explanation:

When a solid is heated,  the particles vibrate. These vibrations are passed through the solid and energy is transferred easily this way. Metals are good thermal conductors. The particles in solids are close to eachother and when particles are heated the speed up and move faster, which is the reason they vibrate.

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how many years would it take to reach the star from earth, as measured by observers on the spacecraft
Assoli18 [71]

In other words, it would take Deep Space 1 more than 81,000 years to travel the 4.24 light-years between Earth and Proxima Centauri at its top speed of 56,000 km/h. In relation to human history, that would be more than 2,700 generations.

Nearly 40 trillion kilometers, or 4.4 light-years, separate us from Alpha Centauri. The NASA-Germany Helios probes, the fastest spacecraft to date to be launched into orbit, flew at a speed of 250,000 kilometers per hour. The probes would need 18,000 years to travel at such pace to arrive at the sun's nearest neighbor. The calculations reveal that it is almost impossible to reach the nearest star in a human lifetime, even with the most futuristic technologies.

Learn more about Light year here-

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3 0
1 year ago
(15 POINTS) Victor drew a diagram to show the life cycle of a low-mass star.
Evgen [1.6K]
The answer is c so the area can grow
4 0
3 years ago
Read 2 more answers
If you connected 10 of these 12V (10 W) lamps in parallel, to the 12V source, how much current would the source have to supply
Flauer [41]

Answer:

T=8.33A

Explanation:

From the question we are told that:

Number of battery n=10

Voltage sourceE=12V

Lamp PowerP=10W

Generally the equation for Resistance is mathematically given by

 R=\frac{V^2}{P}

 R=\frac{12^2}{10}

 R=14.4ohms

Therefore

 R_{eq}=\frac{14.4}{10}

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Generally the equation for Current is mathematically given by

 T=\ffrac{V}{Req}

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6 0
2 years ago
Which is an example of current electricity
Reil [10]

Answer:

A or B you choose

Explanation:

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what is an electrical current, amp, ampere Current is the flow of electrons. When a circuit is closed then a current of electrons can flow and when a circuit is open then no current can flow. We can measure the flow of electrons just like you can measure the flow of water through a pipe.

4 0
2 years ago
Read 2 more answers
What is the SI unit for graviational potential energy
scZoUnD [109]

Gravitational potential energy is energy. 
The unit of energy is the Joule.

1 Joule = 1 kilogram-meter² / sec²


3 0
3 years ago
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