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Zigmanuir [339]
2 years ago
13

Which is an example of convection currents

Physics
2 answers:
Viefleur [7K]2 years ago
8 0

Answer:

A radiator emitting warm air and drawing in cool air is an example of convection current

Explanation:

I am guessing you meant "A radiator emitting warm air and drawing in cool air'

Vedmedyk [2.9K]2 years ago
7 0

Answer:

D

Explanation:

:)

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Which vector below goes from (0,0) to (1,-3)?
vitfil [10]

I think D. It starts at (0.0) and goes to the correct points so it makes sense

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3 years ago
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Stars within the halo move in random orbits that extend above and below the disk of the galaxy, while stars in the disk move in
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4 0
3 years ago
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

5 0
3 years ago
Find the speed of a wave with wave length 650 M and a frequency 35HZ<br><br> help.
hram777 [196]

Answer:

option A

Explanation:

wave speed= 650×35= 22750 m/s

hope it helps !

7 0
2 years ago
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In which direction does a convergent boundary move?
VladimirAG [237]

Answer:

Toward each other teehee merry christmas

Explanation:

7 0
3 years ago
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