Answer:
If the height is in metres, the speed is 24.25m/s
The answer for this question is D
KE = 1/2 mv^2
in this case, the initial kinetic energy which is converted to heat is
KE = 1/2 1400 (12)^2
KE = 100,800 J
Answer:
C
Explanation:
Rocks with hotter temperatures sank to the bottom of the Earth. The rocks with the hottest temperature became the core and the rocks with the least amount of heat became the crust.
Hope this helps!
The ones that interact would be Atmosphere, biosphere, and cryosphere. :)