a student explains the nebular theory of formation of the solar system as follows.
(oss.01)
a student explains the nebular theory of formation of the solar system as follows.
"the solar system was formed from a slowly rotating cloud called nebula containing extremely cold gases. when these gases were heated up, the nebula contracted and became a flattened disk. as the nebula became smaller, it rotated more rapidly and became flattened at the poles. gravitational force caused rings of gases to be left behind when the nebula contracted. at the center of the nebula, the gases combined to form the sun and the planets formed in the outer flattened portion of the disk."
what is the flaw in the student's explanation? (1 point)
a gravitational forces did not the nebula to contract
b the nebula consisted of hot gases which contracted on being cooled
c the speed of rotation of the nebula decreased when it became smaller
d planets were formed in the central core of the nebula instead of outer portion of disk
Answers: 1
Physics, 21.06.2019 19:00, jessicapbailey52
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Answers: 1
Physics, 22.06.2019 20:00, teescub9738
In an old-fashioned amusement park ride, passengers stand inside a 3.0-m-tall, 5.0-m-diameter hollow steel cylinder with their backs against the wall. the cylinder begins to rotate about a vertical axis. then the floor on which the passengers are standing suddenly drops away! if all goes well, the passengers will “stick” to the wall and not slide. clothing has a static coefficient of friction against steel in the range 0.60 to 1.0 and a kinetic coefficient in the range 0.40 to 0.70. part a what is the minimum rotational frequency, in rpm, for which the ride is safe? express your answer using two significant figures. f f = rpm
Answers: 1
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If jason ii needs 15 kw of power at 300 volts to operate, what amperage of current must flow through the cable?
Answers: 1
(oss.01)
a student explains the nebular theory of formation of the solar system as follows.
a student explains the nebular theory of formation of the solar system as follows.
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