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Tatiana [17]
4 years ago
5

Which terms describe space objects that are small chunks of rock and debris that are smaller than 1 km? Select three options met

eoroids asteroids meteors meteorites comets
Physics
2 answers:
Ksju [112]4 years ago
8 0

Answer:

Asteroids

Meteors

Meteoroids

Explanation:

Asteroids are rocky bodies that are too small to be called planets and they orbit the sun. Most of them have different sizes ranging from about the size of a small pebble to about 1 km. they exist mostly at the asteroid belt near Jupiter.

Meteoroids are rock materials made up of mostly silicon and oxygen. They also float around in outer space.

Once a meteoroid enters the earth's atmosphere it turns into a meteor.

However, comets and meteorites are more of dust and ice than rock bodies that travel through space. They are not chunks of rocks. Hence as a result they need to be excluded from the group of choices

saveliy_v [14]4 years ago
5 0

Answer:

meteoroids asteroids meteors

Explanation:

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Endothermic reactions give off heat as they proceed. <br> a. True<br> b. False
Temka [501]
B. False
Endothermic reactions absorb heat.
5 0
3 years ago
Five locations are marked on the world map. Which location is most prone to hurricanes?
Kruka [31]

Answer: A is the spot that is prone to hurricane mostly.

Explanation:

The locations on the world map spot A, B, C, D, E are regions with country prone to hurricane.

The SPOT A, is GULF of Mexico, an ocean basin closer to the Atlantic ocean, surrounded with the North American continent, the Hawaiian island is also within that region.

The SPOT B, is the southern Pacific ocean with countries like BRAZIL, PERU, ECUADOR, CHILE, in that same region. This is also visited by the hurricane.

The SPOT C, is within the regions of AFRICA, countries at the edge are also affected by hurricane.

The SPOT D, is Asian continent with Russia at the edge. They are also prone to hurricane.

The SPOT E, is the North Pacific ocean region located at the top left hand side of the world map, with countries like Canada, Alaska and co. Close to the artic circle.

With the observation of all this spot, THE SPOT A, is most prone to hurricane, and its effect are very high there....

Country thee are greatly affected by it,

3 0
4 years ago
Read 2 more answers
What is precipitation reactions​
Virty [35]
<h2>precipitation reactions</h2>

α prєcípítαtíσn rєαctíσn rєfєrs tσ thє fσrmαtíσn σf αn ínsσluвlє sαlt whєn twσ sσlutíσns cσntαíníng sσluвlє sαlts αrє cσmвínєd. thє ínsσluвlє sαlt thαt fαlls σut σf sσlutíσn ís knσwn αs thє prєcípítαtє, hєncє thє rєαctíσn's nαmє. prєcípítαtíσn rєαctíσns cαn hєlp dєtєrmínє thє prєsєncє σf vαríσus íσns ín sσlutíσn.

4 0
4 years ago
Read 2 more answers
g In a cold rolling operation, steel sheets that are initially 300 cm long X 80 cm wide X 8 cm thick are cold worked to 80 cm wi
seropon [69]

Answer:

100% cold working performed on this steel

Explanation:

Using the constant volume assumption:

                L₀W₀t₀ (initial)                                    =                      Lₐ Wₐ tₐ (final)

thus 300 cm long X 80 cm wide X 8 cm thick =   Lₐ x 80 cm wide X 5 cm thick

Lₐ = 300 cm long X 80 cm wide X 8 cm thick/80 cm wide X 5 cm thick

  =480 cm

% cold working performed on this steel = Lₐ Wₐ tₐ (final) /  L₀W₀t₀ (initial) 8 100

= 480 x 80 x 5/ 300 x 80 x 8 *100 = 100%

6 0
3 years ago
You have been called to testify as an expert witness in a trial involving a head-on collision. Car A weighs 690.0 kg and was tra
butalik [34]

Answer:

The speed of car A before collision is 3.5 km/h.

Explanation:

Mass of car A = 690 kg eastwards

Mass of car B = 520 kg at 74 km/h west wards

Distance, s = 6 m

coefficient of friction = 0.75

Let the speed after collision is v.

Use third equation of motion

v^2 = u^2 + 2 as \\\\0 =v^2- 2 \times 0.75\times9.8\times 6\\\\v = 9.4 m/s = 33.84 km/h

Let the initial speed of car A is v'.

Use conservation of momentum

690 x v' - 520 x 74 = (690 + 520) x 33.8

690 v' + 38480 = 40898

v' = 3.5 km/h

 

8 0
3 years ago
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