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3 years ago

What happens when magma rises towards the surface?

2 answers:

mote1985 [20]3 years ago

7 0

Magma is an intensely hot region deep within the Earth that rises to just underneath the surface. Some hot spots produce volcanoes. rock formed by the cooling of magma or lava. molten rock, or magma, that erupts from volcanoes or fissures in the Earth's surface

zzz [600]3 years ago

5 0

It slowly cools an hardens,eventually turning into igneous rock

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What power (in kW) is supplied to the starter motor of a large truck that draws 260 A of current from a 25.5 V battery hookup

joja [24]

Answer:

P = 6.63 kW

Explanation:

Given that,

Current, I = 260 A

Voltage of the battery, V = 25.5 V

We need to find the power supplied to the starter motor. We know that,

P = VI

Put all the values,

P = 25.5 × 260

P = 6630 W

P = 6.63 kW

So, the power supplied to the motor is 6.63 kW.

7 0

3 years ago

Read 2 more answers

Use the drop-down menus to complete the sentences.

Musya8 [376]

Answer:

yea i need this 2

Explanation:

3 0

3 years ago

A satellite in geostationary orbit is used to transmit data via electromagnetic radiation. The satellite is at a height of 35,00

Nutka1998 [239]

Answer:

$6.99535\times 10^{-6}\ V/m$

Explanation:

P = Power Output = 1000 W

r = Radius = 35000000 m

$\epsilon_0$ = Permittivity of free space = $8.85\times 10^{-12}\ F/m$

c = Speed of light = $3\times 10^8\ m/s$

Intensity of Electric radiation is given by

$I=\dfrac{P}{A}\\\Rightarrow I=\dfrac{P}{4\pi r^2}\\\Rightarrow I=\dfrac{1000}{4\pi\times 35000000^2}\ W/m^2$

Intensity of Electric radiation is given by

$I=\dfrac{1}{2}c\epsilon_0E_0\\\Rightarrow E_0=\sqrt{\dfrac{2I}{c\epsilon_0}}\\\Rightarrow E_0=\sqrt{\dfrac{2\times \dfrac{1000}{4\pi\times 35000000^2}}{3\times 10^8\times 8.85\times 10^{-12}}}\\\Rightarrow E_0=6.99535\times 10^{-6}\ V/m$

The amplitude of the electric field vector is $6.99535\times 10^{-6}\ V/m$

6 0

4 years ago

Energy waves traveling at the speed of light are called _____.

koban [17]

RADIATION

There are three types of heat transfer or heat propagation; conduction, convection and radiation. Heat transfer is the process by which heat projects externally however, depending on the temperature and pressure. Also called the movement of heat from a low temperatured state which increases as heat progresses.
Conduction is the heat transfer by contact, immediate contact.
Convection is the transfer of heat through air and water.
Radiation is the transfer of heat regardless of the presence of atoms or particles.

8 0

3 years ago

Read 2 more answers

What energy comes from swinging a bat

hjlf

Answer:

Kinetic Energy

Explanation:

The potential energy is being converted into kinetic energy. The hitter has struck the ball transferring the kinetic energy from the swinging bat to the ball.

8 0

3 years ago