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1 year ago

What is the perfect amount of sunlight needed on a planet.

Physics

1 answer:

gogolik [260]1 year ago

6 0

Answer:

20 years Light.

Explanation:

There's no practical explanation just math's.

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A gas-turbine power plant operating on the simple Brayton cycle has a pressure ratio of 7. Air enters the compressor at 0°C and

Ivahew [28]

Answer:

Answers of the Both parts are in the following attachment

Explanation:

4 0

2 years ago

When you look at the light from distant stars you are really looking back in time explain what this means

Leona [35]

Answer: Stars are in space for very long time, much longer than that one night. You are looking back in time because those stars have been there for so long that it’s like looking back in time, to when those stars were there.

Explanation:

May I please have brainlest

5 0

2 years ago

Read 2 more answers

from the edge of the rooftop of a building, a boy thros a stone at an angle of 25 above the horizontal. The stone hits the groun

ella [17]

Answer:38.675 m/s

Explanation:

$\theta =25^{\circ}$

t=4.2 s

$R_x=105m$

Solving in x direction

$R_x=ut+\frac{1}{2}\left ( 0\right )t^2$

$105=ucos25\times 4.2$

ucos25=25

u=27.584 m/s

Initial velocity in vertical direction usin25

Let h be the height of Rooftop

$h=\left ( -usin25\right )4.2+\frac{1}{2} \left ( 9.8\right )\left ( 4.2\right )^2$

h=37.47 m

Therefore final vertical velocity is $v_{vf}^2-\left ( usin25\right )^2=2\times 9.81\times 37.47$

$v_{vf}$ =29.51 m/s

Final Resultant velocity

$V_{final}=\sqrt{29.51^2+24.99^2}$

$V_{final}=38.675 m/s$

6 0

3 years ago

Now the proton at B is removed and replaced by a lithium nucleus, containing three protons and four neutrons. The proton at loca

Digiron [165]

Answer:

F = 3 fo

Explanation:

The electric force is given by Coulomb's law

F = k q₁ q₂ / r²

where k is the Coulomb constant and is equal to 8.99 109

with the initial charge the force is

Fo = k q₁ q₂ / r²

Fo =k q₁ q₂ / r²

In this case it is indicated that charge 1 is changed by the lithium atom a = 3 P

we substitute

F = k 3p p / r²

F = 3 (k p² / r²)

F = 3 fo

we see that the charge increases by three orders of magnitude

8 0

3 years ago

40 points and brainliest plz helppp luv yah thxx

jok3333 [9.3K]

Answer:

hey want you to separate the energy’s and put them in the categories they go in like why are They different what is chemically different about them? Etc.why do they act differently.. do they act the same in some ways? Think about that

Explanation:

7 0

2 years ago