Answer:
The average temperature is much warmer
Explanation:
Producers, consumers, and decomposers help to move matter and energy through ecosystems.
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Answer:Ek=673.109 kJ
Explanation:
Use equation for Kinetic energy: Ek=m*V²/2
m=650 kg (mass of roller coaster)
V=20.0Miles/s=20.0*1.609m/s=32.18m/s
Ek=m*V²/2
Ek=650kg*(32.18m/s)²
Ek=(650kg*1053.55m²/s²)/2
Ek=673 108.8 J
Ek=673.109 kJ