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ki77a [65]
3 years ago
9

How many hours does it take for the sun's light to reach the edge of the solar system?

Physics
2 answers:
harina [27]3 years ago
8 0
It takes 12 hours I think
Georgia [21]3 years ago
7 0

32 hours is what I got


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What is the difference between an energy pyramid and a biomass pyramid?
Alex Ar [27]

Explanation:

Energy pyramid: is a model that shows the flow of energy from one feeding level to the next in an ecosystem. It compares the energy used by organisms at each trophic level.

Unit: kilocalories (kcal).

While Biomass pyramid is a statistical graph that shows the biomass present in a unit area of various trophic levels. It shows the relationship between biomass and trophic level. It quantifies the amount of biomass available in each trophic level of an energy community at a given time.

Unit: grams per square meter (g/m^2), or calories per square meter (K/m^2).

8 0
3 years ago
A rocket accelerates upward from rest at a rate of 5 m/s^2. At a height of 1000m, the engines burn out and it coasts the rest of
laila [671]

Answer:

Explanation:

Given

acceleration of rocket(a)=5 m/s^2

At h=1000 m rocket burn out

v^2-u^2=2as

v^2-0=2\times 5\times 1000

v=\sqrt{10^4}=100 m/s

(b) time to reach v=100 m/s

v=u+at

100=0+5\times t

t=\frac{100}{5}=20 s

(c)Rocket maximum altitude

v^2-u^2=2as

here u=100 m/s

v=0

a=9.8 m/s^2

s=\frac{v^2}{2g}

s=\frac{100^2}{2\times 9.8}

[tex]s=510.204

Therefore maximum altitude=510.204+1000=1510.204 m

7 0
3 years ago
A singly charged ion (q=−1.6×10−19) makes 7.0 rev in a 45 mT magnetic field in 1.29 ms. The mass of the ion in kg is
insens350 [35]

Answer:

m=1.47\times 10^{-24}\ Kg

Explanation:

Given that,

Charge, q=1.6\times 10^{-19}\ C

Revolution = 7 rev

magnetic field, B = 45 mT

Time, t = 1.29 ms

We need to find the mass of the ion. Let m be the mass. The formula for the mass in terms of time period is given by :

m=\dfrac{qBT}{2\pi}\\\\m=\dfrac{1.6\times 10^{-19}\times 45\times 10^{-3}\times 1.29\times 10^{-3}}{2\pi}\\\\m=1.47\times 10^{-24}\ Kg

So, the mass of the ion is equal to 1.47\times 10^{-24}\ Kg.

4 0
3 years ago
What is the melting point of sand
telo118 [61]
The kind of heat necessary to transform sand into a liquid state (eventually becoming glass) is much hotter than any sunny day. To make sand melt, you need to heat it to roughly 1700°C (3090°F), which is approximately the same temperature a space shuttle reaches as it re-enters earth's atmosphere.
8 0
2 years ago
Review. (b) What is the mass difference?
nignag [31]

The mass difference is in between the two is equivalent to the binding energy of the nucleus .

<h3>What is meant by mass difference? </h3>

Δm be the mass difference is defined as the difference between the mass of the nucleus and the total mass of the individual nucleons that comprise it.

Binding energy is the energy required to split the nucleus of an atom into neutrons and protons, while mass defect is the difference between the predicted mass and the actual mass of the nucleus of an atom .

The mass difference is difference between the mass of nucleus and the Total mass of the individual nucleons that make it up.

∆m = final mass - initial mass.

To learn more about mass refer to:

brainly.com/question/19694949

#SPJ4

8 0
1 year ago
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