When a solar flare occurs, how long does it take before a scientist sees it? (The Earth-Sun distance is 1.5*10^11m and the speed of light is approximately 3*10^8 m/s.

It will take 500 seconds before the scientist sees the solar flare

Step-by-step explanation:

From the question, the Earth-Sun distance is 1.5×10¹¹ m and the speed of light is approximately 3×10⁸ m/s.

Now, we are to determine how long it will take before a scientist sees a solar flare after it has occurred. That is, we are to determine time.

From the formula

Speed = Distance / Time

Time = Distance / Speed

From the question,

Distance = 1.5×10¹¹ m

and speed = 3×10⁸ m/s

Therefore,

Time = 1.5×10¹¹ m / 3×10⁸ m/s

∴ Time = 0.5 × 10³ s

Time = 500 s

Hence, it will take 500 seconds before the scientist sees the solar flare.

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