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NJIT Phys202 exam 2 UPDATED Actual Exam Questions and CORRECT Answers $9.99   Add to cart

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NJIT Phys202 exam 2 UPDATED Actual Exam Questions and CORRECT Answers

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NJIT Phys202 exam 2 UPDATED Actual Exam Questions and CORRECT Answers eight planets - CORRECT ANSWER- Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune inner planets - CORRECT ANSWER- Mercury, Venus, Earth, and Mars outer planets - CORRECT ANSWER- Jupiter, Saturn, Uranus, and ...

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  • September 16, 2024
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NJIT Phys202 exam 2 UPDATED Actual
Exam Questions and CORRECT Answers
eight planets - CORRECT ANSWER✔✔- Mercury, Venus, Earth, Mars, Jupiter, Saturn,
Uranus, and Neptune


inner planets - CORRECT ANSWER✔✔- Mercury, Venus, Earth, and Mars



outer planets - CORRECT ANSWER✔✔- Jupiter, Saturn, Uranus, and Neptune



inner planets characteristics - CORRECT ANSWER✔✔- small, dense, made of primarily
metal and rock


outer planets characteristics - CORRECT ANSWER✔✔- large, tenuous, made of primarily
hydrogen and helium gas


how many moons on inner planets? - CORRECT ANSWER✔✔- no moons or perhaps few
moons


how many moons on outer planets? - CORRECT ANSWER✔✔- many moons



Do inner planets have rings? - CORRECT ANSWER✔✔- no



Do outer planets have rings? - CORRECT ANSWER✔✔- yes



inner planet rotation - CORRECT ANSWER✔✔- slow



outer planet rotation - CORRECT ANSWER✔✔- fast



The inner planets are known as - CORRECT ANSWER✔✔- terrestrial planets

,terrestrial means - CORRECT ANSWER✔✔- Earth-like



The outer planets are known as - CORRECT ANSWER✔✔- jovian/gas-giant planets



jovian means - CORRECT ANSWER✔✔- Jupiter-like



All eight planets orbit the Sun in nearly - CORRECT ANSWER✔✔- the ecliptic plane



entire Solar System is very - CORRECT ANSWER✔✔- flat



All eight planets orbit the Sun in the same direction which is - CORRECT ANSWER✔✔-
counterclockwise


Do moons orbit the same direction as planets? - CORRECT ANSWER✔✔- yes
(counterclockwise)


Which way does the sun orbit? - CORRECT ANSWER✔✔- counterclockwise



entire Solar System was born - CORRECT ANSWER✔✔- roughly 4.5 billion years ago
from a nebula


nebula - CORRECT ANSWER✔✔- giant cloud of gas composed of mostly hydrogen and
helium. some parts more dense , other parts less dense, tiny part of a nebula, may become
dense enough that gravity dominates thus collapses toward center forming sun, rest into a flat
rotating disk


The law of conservation of energy and the law of conservation of angular momentum
together cause - CORRECT ANSWER✔✔- gravitationally-collapsing material to flatten into
a disk perpendicular to the angular momentum axis


Since the inner part of the protoplanetary disk was warmer only materials with - CORRECT
ANSWER✔✔- hotter melting temperatures were able to condense ie. metal & rock

,Since the outer part of the protoplanetary disk was cooler - CORRECT ANSWER✔✔-
greater abundance of materials in addition to metal and rock was able to condense


condensing objects orbiting the Sun are not yet planets. They are - CORRECT
ANSWER✔✔- planetesimals, the technical word for baby planets



how did planetesimals grow? - CORRECT ANSWER✔✔- they grew larger through
accretion, the gaining of mass through sticky collisions until the planetesimals became so
large that their own self-gravity became strong enough to force themselves into spherical
shapes thus becoming planets


Sun is named for - CORRECT ANSWER✔✔- Sol, the ancient Roman god of the Sun Helios



Mercury is named for - CORRECT ANSWER✔✔- Roman god of messengers Hermes



Venus is named for - CORRECT ANSWER✔✔- Roman goddess of love Aphrodite



Earth is named for - CORRECT ANSWER✔✔- Terra the ancient Roman goddess of the
Earth Gaia in greek


Earth's Moon is named for - CORRECT ANSWER✔✔- Luna, the ancient Roman goddess of
the Moon Selene in greek


Mars is named for - CORRECT ANSWER✔✔- ancient Roman god of war Ares



Name of Mars moons - CORRECT ANSWER✔✔- Phobos and Deimos



Phobos was the god of - CORRECT ANSWER✔✔- fear



Deimos was the god of - CORRECT ANSWER✔✔- panic

, Jupiter is named for - CORRECT ANSWER✔✔- Roman king of the gods Zeus



Saturn is named after - CORRECT ANSWER✔✔- youngest of the ancient Roman titans
Kronos


titan Saturn (Kronos) was the father of - CORRECT ANSWER✔✔- god Jupiter (Zeus)



Uranus and Neptune were not discovered until - CORRECT ANSWER✔✔- telescope was
invented


Uranus is named after - CORRECT ANSWER✔✔- Greek god of the sky Caelus the father of
the titans


Neptune is named after - CORRECT ANSWER✔✔- Roman god of the sea Poseidon



largest moon of planet Neptune is - CORRECT ANSWER✔✔- Triton, named after the
mythological son of Neptune


celestial body Pluto is named after - CORRECT ANSWER✔✔- Roman god of the
underworld Hades


largest moon of Pluto is - CORRECT ANSWER✔✔- Charon, named after the boatman of
the mythological river Styx who ferried souls to the underworld


most dense layer of the Earth is - CORRECT ANSWER✔✔- core which is the most dense



earths core composed of - CORRECT ANSWER✔✔- metal such as iron and nickel



2nd layer of earth - CORRECT ANSWER✔✔- mantle which is less dense than the core



mantle is made of - CORRECT ANSWER✔✔- iron-rich silicate rock

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