2 years ago

What keeps the planets in orbit around the sun?

Physics

2 answers:

Rudik [331]2 years ago

6 0

Answer:

gravity keeps the planets in orbit around the sun

oee [108]2 years ago

5 0

Answer:

The suns gravity in an empty vacuum

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The circuit has a 3 volt EMF and two ohm resistors. How much power in watts does this circuit draw? A) 4.5 , B) 24, C) 1.13 D) 2

dlinn [17]

Answer:

P = 4.5 watts

Explanation:

Given that,

EMF of the circuit, E = 3 volt

The resistance of the resistors, R = 2 ohms

We need to find the power of this circuit. The relation between power, emf and resistance is given by the formula as follows :

$P=\dfrac{V^2}{R}$

Substitute all the values,

$P=\dfrac{3^2}{2}\\\\P=4.5\ W$

So, the power of this circuit is equal to 4.5 watts.

5 0

2 years ago

what will happen to the brightness of the other bulbs in a series circuit if any of the bulbs were to burn out?

Ivenika [448]

Answer:

not work.

Explanation:

if u are saying in a series circuit...

if 1 build burns out and theres other bulbs the circuit wont work anymore.

6 0

2 years ago

When ___ attacks the surface of a metal, it becomes tarnished.

alexandr1967 [171]

Answer:corrosion (i believe)

Explanation:

6 0

2 years ago

Read 2 more answers

.Need and actual answer not a guess

cricket20 [7]

Answer:

it's C (this is not a guess)

8 0

2 years ago

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A balloon having an initial temperature of 17.8Â°C is heated so that the volume doubles while the pressure is kept fixed. What i

Rama09 [41]

Answer:

$T = 308.6 ^0 C$

Explanation:

Here by ideal gas equation we can say

$PV = nRT$

now we know that pressure is kept constant here

so we will have

$V = \frac{nR}{P} T$

since we know that number of moles and pressure is constant here

so we have

$\frac{V_2}{V_1} = \frac{T_2}{T_1}$

now we know that initial temperature is 17.8 degree C

and finally volume is doubled

So we have

$\frac{2V}{V} = \frac{T_2}{(273 + 17.8)}$

so final temperature will be

$T_2 = 581.6 k$

$T_2 = 308.6 ^o C$

5 0

2 years ago

What keeps the planets in orbit around the sun?￼

What keeps the planets in orbit around the sun?