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kvasek [131]
3 years ago
9

ANSWER THIS QUESTION PLS WILL GIVE BRAINLEST

Physics
2 answers:
Sergeu [11.5K]3 years ago
6 0

Answer:

A

Explanation:

It is 35 minutes to the east of zero-hours right ascension. Explanation: The right ascension of a star basically determines the position of the star on the east to west co-ordinates system.

Flauer [41]3 years ago
4 0

Answer:Answer is a

Explanation:

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A binary star system consists of two equal mass stars that revolve in circular orbits about their center of mass. The period of
Vladimir79 [104]

Answer:

m = 2.23 \times 10^{-32} kg

Explanation:

Given data:

PERIOD OF MOTION IS T = 25.5 days

orbital speeds = 220 km/s

we know that

acceleration due to centripetal force isa =   \frac{F}{m} = \frac{V^2}{r}

Gravitational forceF= \frac{Gm m}{d^2}

we know that

v = \frac{2\pi R}{T}

solving for

R = \frac{vT}{2\pi}

F = \frac{Gm^2}{4(\frac{vT}{2\pi})^2}

F = G\times \frac{\pi m}{(vT)^2}

a = \frac{v^2}{\frac{vT}{2\pi}}

a = \frac{2\pi v}{T}

we know that

f =ma

G\times \frac{\pi m}{(vT)^2} = a = \frac{2\pi m v}{T}

solving for m

m = \frac{2Tv^3}{\pi G}

m = \frac{2\times 25.5 \times 86400 \times 220000^3\ m/s}{\pi \times 6.67\times 10^{-11}}

m = 2.23 \times 10^{-32} kg

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Contact force that acts to resist sliding between two touching surfaces
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According to the scientific definition, which is not an example of work?
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When several radio telescopes are wired together, the resulting network is called a radio
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