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12345 [234]
2 years ago
10

Light takes 8 minutes to reach the earth from the sun. Which of the following is correct?A.Sun is 8 light years away from the ea

rthB. Sun is 8 light minutes away from the earthC. Sun is one light year away from the earthD. Sun is 8 light seconds away from the earth
Physics
1 answer:
scoray [572]2 years ago
7 0

Light will take 8 minutes to reach the earth from the sun which means that B) the sun is 8 light minutes away from the earth

A light year is a large unit of length used to describe astronomical distances, equivalent to approximately 9.46 trillion kilometers or 5.88 trillion miles. The sun is 93 million miles away from her, so it takes eight and a half minutes for the sun's rays to reach the earth. The sun doesn't change much in such a short time, but when you look at it, he still looks the same as he did eight minutes ago.

The unit of the light year is in kilometers.

Learn more about the light year in

brainly.com/question/1302132

#SPJ4

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Which of the following is/are the best example(s) of elastic collision(s)? Explain why you chose your answer. A) A collision bet
ivanzaharov [21]

Answer:

A

Explanation:

option A is correct

the best example of elastic collision among the following is collision between two billiard balls. In collision of two billiard balls the energy lost is very little approximately zero. hence we can say that the kinetic energy is conserved. since, the kinetic energy is conserved we can say that the collision is elastic

3 0
3 years ago
What features were the last to form on the moon?
kap26 [50]
<span>Rayed craters-</span><span> were the last features to form on the moon.</span>
3 0
3 years ago
Read 2 more answers
If you take any pitch on the keyboard, the next occurrence of the same letter name going towards the left (down) will vibrate:
NikAS [45]

Answer:

A. Twice as slow

Explanation:

8 0
3 years ago
A singly charged 7Li ion has a mass of 1.16 10-26 kg. It is accelerated through a potential difference of 523 V and subsequently
mel-nik [20]

Answer:

R=0.023m

Explanation:

From the question we are told that:

Mass m=1.16*10^{-26}

Potential difference V=523V

Magnitude m=0.370 T

Generally the equation for Velocity is mathematically given by

\frac{1}{2}mv^2=ev

v=\frac{2ev}{m}

v=\frac{2*1.6*10^{-19}*542}{1.16*10^{-26}}

v=12.22*10^4m/s

Generally the equation for Force is mathematically given by

F=qvBsin \theta

Where

qVB=m\frac{v^2}{R}

F=m\frac{v^2}{R}sin\theta

Therefore

R=\frac{mv}{qB sin \theta}

R=\frac{1.6*10^{-26}*12.2*10^{4}}{1.60*10^{-19}*0.394 sin 90}

R=0.023m

8 0
3 years ago
A ball is thrown straight up with an initial speed of 12 m/s. What are the velocity and acceleration when it is at the top of it
Lesechka [4]

Answer:

'A ball is thrown straight up with an initial speed of 12 m/s_ What are the velocity and acceleration when it is at the top of its trajectory? Select all apply. v=12 mls a = 0 v =-12 mls a = 9.8 m/s2 Oa=-9.8 m/s2'

Explanation:

I look it up

Hope this helps

8 0
3 years ago
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