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erica [24]
3 years ago
15

When we look up at the stars, we are seeing the future", is this astronomer correct ? Why or why not ?

Physics
1 answer:
Andrei [34K]3 years ago
7 0

Answer:

if the stars connect to a thing, then it describes.

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At summer camp, the swimming course runs the length (L) of a small lake. To determine the length of the course, the camp counsel
sleet_krkn [62]

Answer:

47 m

Explanation:

Data obtained from the question include the following:

Length of dry leg 1 (L1) = 40 m

Length of dry leg 2 (L2) = 25 m

Length of swimming course (L) =..?

The length of the swimming course can be obtained by using pythagoras theory as shown below:

L² = L1² + L2²

L² = 40² + 25²

L² = 1600 + 625

L² = 2225

Take the square root of both side.

L = √2225

L = 47.1 ≈ 47 m

Therefore, the length of the swimming course is approximately 47 m.

7 0
3 years ago
What is the characteristic that allows an object to have kinetic energy?
Shtirlitz [24]
Kinetic energy is movement, thus movement would be a characteristic that allows an object to have kinetic energy
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2 years ago
You can use _______________ to change a liquid into a gas.
Nitella [24]

Answer:

below

Explanation: When a liquid changes into a gas vaporization has occurred. The process can either occur due to boiling or evaporation. Boiling occurs when the vapor pressure of the liquid is raised (by heating) to the point where it is equal to the atmospheric pressure.

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2 years ago
You are discussing a material that has a strong resistance to the flow of electrons. This is a description of a(n)
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C. Insulator

It COULD be semi-insulator but i'm sure its C
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3 years ago
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What is meant by an acceleration of negative 2metre per second square​
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means that a body is in motion, and its velocity is measured in meters per second. And, that velocity is increasing by two meters per second, every second.

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