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3 years ago

This scientist focused his study on planetary motion. One of his laws is the planets orbit the Sun in elliptical patterns.

1 answer:

8 0

I believe that since Kepler focused his studies the rotation of the planets, and the stars, that he is the one who developed the law, which is called the first law of planetary motion.

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Which does a reference point provide? Select two options. a position from which to measure future distance a set of standard uni

In-s [12.5K]

Answer:

hope this helps you :)

Explanation:

An object is in motion if its position changes relative to another object. To decide if you are moving, you can use your chair as a reference point. A reference point is a place or object used for comparison to determine if something is in motion.

4 0

4 years ago

Light from a 560 nm monochromatic source is incident upon the surface of fused quartz (n = 1.56) at an angle of 60°. What is the

MaRussiya [10]

Answer:

The angle of reflection is "60°".

Explanation:

The given values are:

Light from monochromatic source,

= 560 nm

Angle of incidence,

= 60°

Surface of fused quartz (n),

= 1.56

Whenever a light ray was indeed occurring at a flat surface, it should be the law or concept of reflection which contains this same rays of light, the reflected ray as well as the "normal" ray at either the mirror surface.

According to the above law,

⇒ $Angle \ of \ incidence=Angle \ of \ reflection$

then,

⇒ $Angle \ of \ reflection=60^{\circ}$

3 0

3 years ago

______ can occur when water-saturated soil turns from a solid to a liquid as a result of an earthquake.

jek_recluse [69]

The answer is liquefaction

6 0

3 years ago

Which of the following is a unit of speed?

dangina [55]

Answer:

Option c that it means cm/year.

Explanation:

Nm means nanometer, 1x10^9m

Km/s^2 is acceleration

h.. it may be height

7 0

3 years ago

Read 2 more answers

An aseroid with a mass of 8.4x10^8 kg and a planet with a mass of 6.2x10^23 kg come close to each other by a distance of 8x10^5

N76 [4]

So, the force of gravity that the asteroid and the planet have on each other approximately

$\boxed{\sf{5.43 \times 10^{10} \: N}}$

<h3>Introduction</h3>

Hi ! Now, I will help to discuss about the gravitational force between two objects. We already know that <u>gravitational force occurs when two or more objects interact with each other at a certain distance and generally orbit each other to their center of mass</u>. For the gravitational force between two objects, it can be calculated using the following formula :

$\boxed{\sf{\bold{F = G \times \frac{m_1 \times m_2}{r^2}}}}$