The Sun Is Approximately 1400

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The Dominicus is approximately i,400 million kilometers from the planet Satu [#permalink] 24 May 2018, 04:37

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The Sun is approximately 1,400 1000000 kilometers from the planet Saturn, and light from the Lord's day travels to Saturn at the charge per unit of approximately 300,000 kilometers per 2nd. Approximately how many minutes does it take for calorie-free to travel from the Sun to Saturn?

A) eighty

B) 130

C) 160

D) 280

E) 360

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The Dominicus is approximately ane,400 1000000 kilometers from the planet Satu [#permalink] 24 May 2018, 18:32

Bunuel wrote:

The Sun is approximately 1,400 one thousand thousand kilometers from the planet Saturn, and light from the Lord's day travels to Saturn at the charge per unit of approximately 300,000 kilometers per second. Approximately how many minutes does information technology accept for low-cal to travel from the Sun to Saturn?

A) 80

B) 130

C) 160

D) 280

E) 360

The distance from the sun to the planet Saturn is 1400 million kilometers or 1400*million km.

We know that light travels from the Sun at a rate of 300000 km/southward or 300000*60 = eighteen*million km/minute

Time = \(\frac{Altitude}{Speed}\) = \(\frac{1400 * 1000000}{eighteen * 1000000} = 77.8\)

Therefore, it takes approximately 80(Option A) minutes for calorie-free to travel from the Dominicus to planet Saturn.
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Re: The Sun is approximately ane,400 meg kilometers from the planet Satu [#permalink] 25 May 2018, 10:59

Solution

Given:
• The sun is approximately 1,400 1000000 km from Saturn
• Light travels to Saturn at the charge per unit of approximately 300,000 km/sec

To observe:
• Approximately how many minutes does it accept for light to travel from the Sun to Saturn

Approach and Working:
In this question, the distance between the Sun and Saturn is provided, along with the speed of light
• Therefore, the time taken = \(\frac{distance}{speed}\) = \(\frac{{xiv * ten^8}}{{3 * x^5}}\)sec = \(\frac{{14 * 1000}}{{3 * 60}}\) minutes = 77 minutes approx
Hence, the correct reply is option A, every bit it is the closest selection.

Answer: A
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Re: The Sun is approximately i,400 million kilometers from the planet Satu [#permalink] 25 May 2018, 11:25

Bunuel wrote:

The Sunday is approximately 1,400 million kilometers from the planet Saturn, and light from the Dominicus travels to Saturn at the rate of approximately 300,000 kilometers per 2d. Approximately how many minutes does information technology take for light to travel from the Sun to Saturn?

A) 80

B) 130

C) 160

D) 280

East) 360

Time taken = (1400 * 10^6) / (300000) = 700/9 ~ 80

Hence A is the correct choice

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Re: The Sun is approximately 1,400 million kilometers from the planet Satu [#permalink] 29 May 2018, xv:13

Bunuel wrote:

The Lord's day is approximately 1,400 one thousand thousand kilometers from the planet Saturn, and light from the Sun travels to Saturn at the rate of approximately 300,000 kilometers per second. Approximately how many minutes does information technology take for light to travel from the Sun to Saturn?

A) eighty

B) 130

C) 160

D) 280

E) 360

Since 1 million = 10^vi, we can re-express the distance from the Sun to Saturn as 1,400 ten x^6 kilometers. We tin besides express the light's rate as 3 x ten^5. The fourth dimension to travel from the Sun to Saturn, in seconds, is:

(ane,400 10 10^six)/(3 x 10^five) = (1,400/three) x 10^i sec = xiv,000/3

In minutes, that is (14,000/3)/lx = 14,000/180 = 1400/18 = 700/9 ≈ lxxx.

Answer: A
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Re: The Sun is approximately i,400 million kilometers from the planet Satu [#permalink] 17 Mar 2021, 06:55

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Re: The Sunday is approximately ane,400 million kilometers from the planet Satu [#permalink]

17 Mar 2021, 06:55

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