Answer:
Because it may erode his skin?
Explanation:
Answers:
a)
We know the Earth's surface area in square miles is:
On the other hand, we know .
Then:
b)
In this part, we can work with the obtained value in part a:
And knowing
Hence:
c)
Knowing :
Answer:
S = 2 * pi * 1 m = 6.28 m = distance traveled
V = S / T or T = S / V = 6.28 m / 5 m/s = 1.26 sec
This will be the time for 1 revolution or the period of the motion.
The answer is Acceleration!
C. OUTER CORE
Scientists think that the outer core, made of liquid iron and nickel, moves to produce Earth's magnetic field.
The outer core lies between the solid inner core and mantle. It is a fluid layer that is 2,300 km think.