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sesenic [268]
3 years ago
11

A period of one year on Earth is the time it takes Earth to

Physics
1 answer:
Kazeer [188]3 years ago
7 0

D make one revolution around the sun hope this helps

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What did copernicus say about the motion of the sun?.
eimsori [14]

the sun was stationary in the center of the universe and the earth revolved around it....

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2 years ago
Space-faring astronauts cannot use standard weight scales (since they are constantly in free fall) so instead they determine the
valentinak56 [21]

Answer:

ma = 48.48kg

Explanation:

To find the mass of the astronaut, you first calculate the mass of the chair by using the information about the period of oscillation of the empty chair and the spring constant. You use the following formula:

T=2\pi\sqrt{\frac{m_c}{k}}     (1)

mc: mass of the chair

k: spring constant = 600N/m

T: period of oscillation of the chair = 0.9s

You solve the equation (1) for mc, and then you replace the values of the other parameters:

m_c=\frac{T^2k}{4\pi^2}=\frac{(0.9s)^2(600N/m)}{4\pi^2}=12.31kg    (2)

Next, you calculate the mass of the chair and astronaut by using the information about the period of the chair when the astronaut is sitting on the chair:

T': period of chair when the astronaut is sitting = 2.0s

M: mass of the astronaut plus mass of the chair = ?

T'=2\pi\sqrt{\frac{M}{k}}\\\\M=\frac{T'^2k}{4\pi^2}=\frac{(2.0s)^2(600N/m)}{4\pi^2}\\\\M=60.79kg (3)

Finally, the mass of the astronaut is the difference between M and mc (results from (2) and (3)) :

m_a=M-m_c=60.79kg-12.31kg=48.48kg

The mass of the astronaut is 48.48 kg

3 0
3 years ago
What can you tell from comparing these waves? Please help
elena-s [515]

Answer:

Explanation:

A

5 0
2 years ago
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An incident ray that passes through the vertex of a convex lens:
WINSTONCH [101]
The answer is refracts parallel to the axis of the lens
7 0
2 years ago
Can someone pls help me and give me the answers i will mark brainliest :3
Katyanochek1 [597]

Answer:

with what subject

Explanation:

i really only do ELA and sometimes science

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2 years ago
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