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Eduardwww [97]
3 years ago
8

following statement supports which theory? "Astronomers have observed protoplanetary disks around distant newborn stars." Big Ba

ng theory Nebular theory Cell theory String theory
Physics
2 answers:
Ad libitum [116K]3 years ago
8 0

Answer:

nebular theory

Explanation:

Irina-Kira [14]3 years ago
5 0

Answer: B

Nebula theory

Explanation:

Nebular Theory: This states that the solar system developed out of an interstellar cloud of dust and gas, called a nebula. If astronomers have observed protoplanetary disks around distant newborn stars, the Sun-to-be collected most of the mass in the nebula's center, forming a Protostar

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60a in a circuit with a 12v battery

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60a in a circuit with a 12v battery

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6 0
2 years ago
Ramas weight is 40 kg. She is carrying a load of 20 kg up to a height of 20 m. What work does she do? What work does she do?
Taya2010 [7]

Answer:

The work done by Ramas is 3920 N.

Explanation:

Given;

mass of the load lifted by Ramas, m = 20 kg

height through which the load is lifted, h = 20 m

The work done by Ramas is equal to gravitational potential due to the height in which the load is lifted.

W = PE = mgh

where;

g is acceleration due to gravity = 9.8 m/s²

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3 0
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