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ikadub [295]
3 years ago
7

need help with the ones that have numbers on the sides.#1 #2 #3 #4 please help.i will pick fair brainliest answer

Physics
2 answers:
Softa [21]3 years ago
6 0
1.Difrences are color,size and the amount of light it gives off 2. 1.inner planets are warmer 2.inner planets are closer to the sun 3.Outer planets are balls of gass 4.outer planets bigger 3.an astroid belt A comet is a tail of gas and dust particles An asteroid is a large rock A meteoroid is lumps of rocks that orbit the sun 4.The rotation of the earth on its axis
SOVA2 [1]3 years ago
4 0
1. Some stars are bigger than others, some are different colors or temperatures. It all really depends on the age of the star.

2. Four differences could be:

   1) Outer planets are much farther away from the sun, so they get less sunlight than inner planets.
   2) Also, the outer planets are all gas giants (excluding Pluto), while inner planets are all rocky planets.
   3) Inner planets also have a much higher density than outer planets.
   4) Outer planets also tend to have many more moons than inner planets (such as Jupiter, with 63 known moons).

3. The barrier that separates the inner from the outer planets is a ring of space rocks known as the Asteroid Belt.

A comet is a ball of ice that orbits a star in a wide elliptical orbit.
An asteroid is a large rocky body that orbits a star, and could be anywhere in size from 600 miles across to tiny dust particles.
A meteoroid is a small object floating through space freely (not necessarily bound in any orbit) that is usually made of a rocky or metallic material.

4. Day and night are caused by the earth's rotation on its axis. Night is relative to the observer, and occurs when the observer is on the side opposite that on which the sun is shining.

Hope that helped =)
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What is the relationship between temperature and peak wavelength?
Zepler [3.9K]
The correct option is B.
All objects emit electromagnetic radiation and the amount of radiation emitted at each wavelength depend on the temperature of the object. This observation is described by Wien's law, which states that the black body radiation curve for different temperatures peaks at a wavelength that is inversely proportional to the temperature. 
5 0
3 years ago
(I) A novice skier, starting from rest, slides down an icy frictionless 8.0° incline whose vertical height is 105 m. How fast is
Vlad1618 [11]

Answer:

v = 45.37 m/s

Explanation:

Given,

angle of inclination = 8.0°

Vertical height, H  = 105 m

Initial K.E. = 0 J

Initial P.E. = m g H

Final PE = 0 J

Final KE = \dfrac{1}{2}mv^2

Using Conservation of energy

KE_i + PE_i + KE_f + PE_f

0 + m g H = \dfrac{1}{2}mv^2 + 0

v = \sqrt{2gH}

v = \sqrt{2\times 9.8 \times 105}

v = 45.37 m/s

Hence, speed of the skier at the bottom is equal to v = 45.37 m/s

3 0
3 years ago
what is the mechanical advantage of a machine that uses an input force of 20 newtons to achieve an output force of 60 newtons
inn [45]
The answer to your question will be 3.

4 0
3 years ago
When is something weightless
valkas [14]

The phenomenon of "weightlessness" occurs when there is no force of support on your body. When your body is effectively in "free fall", accelerating downward at the acceleration of gravity, then you are not being supported.

5 0
3 years ago
Ben and Jerry went for a drive. They decided to stop for a snack and have some ice cream. How fast did they drive on their way t
raketka [301]

Answer: B) 30 km/h

Explanation:

The speed of Ben and Jerry on their way to the store is given by

v=\frac{d}{t}

where

d is the distance they covered

t is the time they took

From the graph, we see that Ben and Jerry travelled for a distance of d=60 km in a time of t=2 h, so their speed is

v=\frac{60 km}{2 h}=30 km/h

5 0
3 years ago
Read 2 more answers
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