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Kipish [7]
3 years ago
5

17. What is movig from the sound source to the

Physics
2 answers:
Julli [10]3 years ago
7 0

Answer:

<h2>The answer is (Particles)</h2>

Explanation:

Crank3 years ago
7 0
Wind because it moves the fastest and it is really good source of energy
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A person is walking down the street maintain the same speed and direction. The person is accelerating.
balandron [24]

Answer:

no change in speed, therefore the body cannot be accelerated.  a=0

Explanation:

When a person is accelerating his speed must change, if the speed is in the same direction as the acceleration the speed increases and if the acceleration is in the opposite direction to the speed it decreases.

In this case there is no change in speed, therefore the body cannot be accelerated.

6 0
3 years ago
Imagine another solar system, with a star of the same mass as the Sun. Suppose a planet with a mass twice that of Earth (2 Earth
sashaice [31]

Answer:

Time period, T = 403.78 years

Explanation:

It is given that,

Orbital distance, a=1\ AU=1.496\times 10^{11}\ m

Mass of the Earth, m_e=5.972\times 10^{24}\ kg

Mass of the planet, m_p=2m_e=11.944\times 10^{24}\ kg

Let T is the orbital period of this planet. The Kepler's third law of motion gives the relation between the orbital period and the orbital distance.

T^2=\dfrac{4\pi^2}{Gm_p}a^3

T^2=\dfrac{4\pi^2}{6.67\times 10^{-11}\times 11.944\times 10^{24}}\times (1.496\times 10^{11})^3

T=1.28\times 10^{10}\ s

or

T = 403.78 years

So, the orbital period of this planet is 404 years. Hence, this is the required solution.

4 0
3 years ago
To determine a waves' frequency, you must know the
kykrilka [37]
B. number of oscillations in a given period of time.
7 0
3 years ago
Read 2 more answers
\ describes the size and distance relationship of our sun and the nearest star?
Zolol [24]

Answer: Two marbles separated by 300 kilometers

Explanation: Hope i helped have a great day and please mark brainliest i would appreciate it!

7 0
3 years ago
The main source of energy for a star as it grows in size to become a red giant is _________.
andreev551 [17]

A main sequence star burns hydrogen to helium. Once a main sequence star exhausts all of the hydrogen, it begins to expand and burn helium causing if to become a red giant.

5 0
3 years ago
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