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light in a vacuum travels at a speed of 3.00x10^8 m/s. pluto's average distance from the sun is 3.6 billion miles. how many minutes will it take sunlight to reach pluto?

Sagot :

The time taken (in minutes) for the sunlight to reach Pluto is 321.67 minutes

What is speed?

Speed is the distance travelled per unit. Mathematically, it can be expressed as:

Speed = distance / time

With the above formula, we can obtain the time. Details below.

How to determine the time

From the question given, the following data were obtained:

  • Speed = 3×10⁸ m/s
  • Distance = 3.6 billion miles = 3.6×10⁹ × 1609.34 = 5.79×10¹² m
  • Time = ?

The time can be obtained as illustrated below:

Speed = distance / time

Cross multiply

Speed × time = distance

Divide both sides by speed

Time = distance/ speed

Time = 5.79×10¹² / 3×10⁸

Time = 19300 s

Divide by 60 to express in minutes

Time = 19300 / 60

Time = 321.67 minutes

Thus, the time taken to reach Pluto is 321.67 minutes

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