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Anastasy [175]
4 years ago
6

The _____ theory is the most accepted theory regarding the origin of the solar system. It suggests that our star, the Sun, was f

irst created by a cloud of dust and gas.
Physics
2 answers:
const2013 [10]4 years ago
7 0

A. Nebular is the answer

Vinvika [58]4 years ago
4 0
The Nebular Hypothesis is the most accepted explanation of the origin of our solar system. It states that the Sun was formed by a massive cloud of dust and gas light-years across, and it was bigger than the actual sun itself. Most of the mass in the center formed the sun, and the rest expanded outward.
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The subject of the second part of messiah is:
Zielflug [23.3K]
The second part is about <span>his suffering and the spread of his doctrine.</span>
5 0
4 years ago
What is the average power output pf a weight lifter who can lift 250 kg 2.0 m in 2.0 s
liq [111]

Answer:

Power = 2.45Kw or 2450 Watts.

Explanation:

<u>Given the following data;</u>

Mass, m = 250kg

Height, h = 2m

Time, t = 2secs

We know that acceleration due to gravity, g is equal to 9.8m/s²

Power can be defined as the energy required to do work per unit time.

Mathematically, it is given by the formula;

Power = \frac {Energy}{time}

But Energy = mgh

Substituting into the equation, we have

Power = \frac {mgh}{time}

Power = \frac {250*9.8*2}{2}

Power = \frac {4900}{2}

Power = 2450 Watts

To convert to kilowatt (Kw), we would divide by 1000

Power = 2450/1000

Power = 2.45Kw.

Therefore, the average power output of the weightlifter is 2.45 Kilowatts.

8 0
3 years ago
Why do you think sound travels faster in steel than it does in wood? (Hint: Think about the densities of the two materials, and
Crazy boy [7]

Answer:

If sound waves of the same energy were passed through a block of wood and a block of steel, which is more dense than the wood, the molecules of the steel would vibrate at a slower rate. Sound moves faster through denser air because the molecules are closer together in dense air and sound can be more easily passed on.

Explanation:

6 0
3 years ago
is a 1.5 V battery is connected in a simple circuit to a lightbulb with a resistance of 8 Ohms the amount of current flowing thr
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.1875 Amperes. 
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I= .1875 A
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3 years ago
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