How does the color of an object affect its ability to emit or absorb thermal radiation?

Answers

Answer 1

Answer:

Answer:

The darker the object, the better it emits heat, because it's a better absorber of light. On the other hand, a white object appears white because it reflects all the different wavelengths and absorbs little to no light. It doesn't absorb much energy, then, and puts off little to no heat.

Explanation:

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Is it possible to fly from Norway to USA across the North Pole?

Answers

Sure. The Earth is a sphere (ball-shaped), so you can follow practically
any route you want from one place to another. You could even fly from
New York to Chicago by way of the north pole.

If you want to draw a smooth curve from Oslo through the north pole to
a point in the USA, that's perfectly possible. But it's not the shortest way
to travel between those two points.

A galaxy whose stars are arranged in a disk with arms that surround a central bulge is a _____ galaxy.

Answers

Spiral Galaxy is the answer

Two shoes each have a mass of 0.1 kg. if the are .15m apart what is the gravitational force between them? G = 6.67 x 10^-11 N (m/kg)^2

Answers

Formula:

$F = G \cdot (m_1 m_2)/(r^2)$

m1, m2 - mass in kg
r - distance in meter.

m1 = m2 = 0.1kg
r = 15m

$F = 6.67 \cdot 10^(-11) N \cdot (m^2)/(kg^2) \cdot (0.1 \cdot 0.1 kg^2)/(15^2 m^2) \n \n F=(6.67 \cdot 0.01 \cdot 10^(-11))/(225) N \n \n F \approx 0.00002964 \cdot 10^(-11) N \n \n F \approx 2.96 \cdot 10^(-16) N$

Greetining

Answer:

the answer is =2.96 x10^-11 N

Explanation:

Explain the difference between a conductor and an insulator. Give two examples of each.

Answers

There are different kinds of conductors, most notably electrical and thermal conductors. But they are often inclusive of each other (electrical conductors are typically good thermal conductors).A conductor transmits something through its body with high efficiency while an insulator does not transmit very well. In the case of electricity, a conductor transmits electrical energy between two points while an insulator blocks the flow of electricity.Two examples of conductors are copper and silver. Two examples of insulators are wood and styrofoam.

Which formula correctly shows how to calculat the time taken, given the average velocity and the displacement

Answers

We're so good here on Brainly, we can answer it
even WITHOUT seeing the choices.

Time = (displacement) / (magnitude of average velocity) .

a water skier is pulled behind a boat by a rope the rope has a tension of 290 N and is at an angle of 33 degrees what is the x-component of the tension?

Answers

By analysis of the problem and drawing a mental figure, we can solve this by using trigonometric functions. It is safe to say that the tension in the rope is the hypotenuse. So to find for the x-component:

cos 33 = x/290
x = 290 * cos 33
x = 243.21 units

Therefore, the x-component of tension is equal to 243.21 units

Answer:

243 N

Explanation:

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A spring is stretched 0.75 m by using a force of 30 N. What is the spring constant

The death of a star occurs when its _____ stops.nuclear fusionnebular cloudsstellar gravityrotation

The period of 440 hertz sounds wave is how many second