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3 years ago

. Which one is most important in explaining the tremendous tidal heating that occurs on Io?

Physics

1 answer:

frozen [14]3 years ago

4 0

Answer:

The correct answer is B

Explanation:

The reason is because Io orbits Jupiter on an elliptical orbit as a result of orbital resonances with other satellites.

The orbit resonances is a phenomena whereby one objects orbit period is a simple ratio of another object's period such as 1/2, 5/3, etc. What really happened is that during this period, the two objects line up to each other and the extra-gravitational pull will influence their orbits, and causes tidal friction which is then the source of the tremendous internal heating.

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Two astronauts are floating close to each other in space. Can they talk to each other without using any special device? plsss he

storchak [24]

Answer:

no they can't talk to each other bcoz of the lack of atmosphere.

Explanation:

l hope it helps you

5 0

3 years ago

Two bulbs marked 200 W-250 V and 100 W-250 V are joined in

lozanna [386]

Answer:

Explanation:

<u>Joule Heating</u>

It's the process by which the electric current passing through a conductor produces heat.

Also known as Joule's first law or the Joule–Lenz law, states that the power of heating generated by an electrical conductor (P) is proportional to the product of its resistance (R) and the square of the current (I).

It can be described by the equation that follows:

$P = I^2.R$

Also, we can calculate the voltage V with the formula of Ohm's law:

$V = I.R$

Combining both equations, power can be related to the voltage:

$\displaystyle P=\frac{V^2}{R}$

Given the power and the voltage, the resistance can be calculated by solving for R:

$\displaystyle R=\frac{V^2}{P}$

There are two bulbs marked P=200W V=250V and P=100 W V=250.

The first bulb has a resistance of:

$\displaystyle R_1=\frac{250^2}{200}$

$\displaystyle R_1=312.5\Omega$

The first bulb has a resistance of:

$\displaystyle R_2=\frac{250^2}{100}$

$\displaystyle R_1=625\Omega$

When connected in series, the total resistance is

$R = R_1 + R_2=312.5\Omega+625\Omega$

$R=937.5\Omega$

The total power consumed when connecting them to a V=250 V supply is:

$\displaystyle P=\frac{250^2}{937.5}$

P = 66.67 W

4 0

3 years ago

How long does it take the earth to rotate?

zubka84 [21]

It takes Earth 23 hours and 56 minutes to rotate. To be accurate.
Or you can just say 24 hours.
HOPE THIS HELPS YOU! ^_^

3 0

4 years ago

Read 2 more answers

A 20 kg mass is moving at 10 m/s and collides with a stationary 5 kg mass, transferring all its momentum in the collision, what

Fudgin [204]

Answer:

v = 40 [m/s].

Explanation:

Linear momentum is defined as the product of mass by Velocity. In this way, by means of the following equation, we can calculate the momentum.

$P=m*v\\$

where:

m = mass [kg]

v = velocity [m/s]

$P =20*10\\P =200 [kg*m/s]$

Since all momentum is transferred, we can say that this momentum is equal for the mass of 5 [kg]. In this way, we can determine the speed after the impact.

$v = P/m\\v = 200/5\\v = 40 [m/s]$

3 0

3 years ago

800 joules of work were done with a force of 200 newtons. Over what

Svetach [21]

Answer:

Explanation:

800/200

7 0

3 years ago