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Lostsunrise [7]
3 years ago
6

Click the links to open the resources below. These resources will help you complete the assignment. Once you have created your f

ile(s) and are ready to upload your assignment, click the Add Files button below and select each file from your desktop or network folder. Upload each file separately.
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Constructing a Device to Regulate the Release of Energy - Student Guide
Constructing a Device to Regulate the Release of Energy - Rubric
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Chemistry
1 answer:
White raven [17]3 years ago
7 0

Answer:

I am not able to click anything above!

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12. A satellite in space experiences direct sunlight and heats up. During periods when it receives no direct sunlight, (1 point)
Julli [10]

12.  The answer is; the satellite cools off by radiation

In the vacuum of space, there is no medium for convectional heat transfer. Only electromagnetic radiation transfer energy through space. The satellite will, therefore, lose heat through infra-red radiation, not convection.


13.   The answer is; heat will transfer to her feet by conduction

When the beachgoer wears her sandals, he makes contact with the sandals and his foot and sandal becomes one thermodynamic system.  The heat transfer by conduction, as it passes through the skin, seeks thermal equilibrium.  


15.  The answer is; elastic potential to kinetic

The more the string of the bow is pulled, the higher the elastic potential energy it gains. This is because the string is stretched and has the capacity to restore normal size when released.  When the string is released and begins to rapidly restore, it transfers this energy to the arrow, pushing the arrow forward.


16.    The answer is; Reduced friction means increased efficiency.

By lubricating the moving components of the engine, friction is reduced. Friction causes a loss of energy as the energy is lost through heat as the components rub against one another. Reduction of friction, therefore, reduces this loss and more energy is channeled towards the drive shaft.


17.  The answer is; It increases friction by air resistance.

A parachute is designed to increase drag exceptionally hence reduce the speed of a moving object drastically. Drag is induced by frictional resistance. When the parachute deploys, air is impeded from passing smoothly over the parachute hence enormous air resistance is developed causing the space shuttle to reduce speed.  


5 0
3 years ago
Hess Law question. please hahah
saveliy_v [14]

Answer: The Answer is minus 221kj.

Explanation: Solved in the attached picture.

7 0
4 years ago
Tom pushes on a 50-kilogram box with a force of 25 newtons. Assuming the surface on which the box moves is frictionless, at what
zhannawk [14.2K]

Assuming the surface on which the box moves is frictionless, the rate at which the box accelerate is equal to 0.5 m/s^2.

<u>Given the following data:</u>

  • Mass of box = 50 kilogram
  • Force = 25 newtons.

To determine the rate at which the box accelerate, assuming the surface on which the box moves is frictionless:

Mathematically, Newton's Second Law of Motion is given by the formula;

Force = mass \times acceleration

Making acceleration the subject of formula, we have:

Acceleration =\frac{Force}{mass}

Substituting the given parameters into the formula, we have;

Acceleration = \frac{25}{50}

Acceleration = 0.5 m/s^2

Read more on Newton's Law of Motion here: brainly.com/question/1121817

3 0
2 years ago
True or False? When solid mixed with other solid, it changed in color, size and shape?
sergeinik [125]

Answer:

False

Explanation:

It becomes a heterogeneous mixture

8 0
3 years ago
Will someone help me, please
kkurt [141]

Answer:

c makes sense

Explanation:

if your just sitting there looking at it melt, thats not helping

6 0
4 years ago
Read 2 more answers
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