Answer:
<em>66666.67 miles/hr</em>
Step-by-step explanation:
Given that:
Earth complete its orbit of the Sun which is 584 million miles
Time taken to complete the orbit = 365 days
To find:
Speed of earth in miles per hour = ?
Solution:
First of all, we need to convert the distance in miles and time in hours to get our answer.
Let us have a look at the conversion units:
1 day = 24 hours
So, 365 days = 24
365 hours = 8760 hours
Distance traveled = 584 million miles
1 million miles = 1000000 miles
584 million miles = 584000000 miles
Formula for speed is given as:
![Speed = \dfrac{Distance}{Time}](https://tex.z-dn.net/?f=Speed%20%3D%20%5Cdfrac%7BDistance%7D%7BTime%7D)
Let us put the values of Distance and time given in miles and hours to get the speed in miles/hr.
![Speed = \dfrac{584000000}{8760}\\\Rightarrow \bold{Speed = 66666.67\ miles/hr}](https://tex.z-dn.net/?f=Speed%20%3D%20%5Cdfrac%7B584000000%7D%7B8760%7D%5C%5C%5CRightarrow%20%5Cbold%7BSpeed%20%3D%2066666.67%5C%20miles%2Fhr%7D)
So, the answer is: <em>66666.67 miles/hr</em>