anonymous
  • anonymous
The kinetic energy (KE) of a ball the moment it hits the ground when dropped from a height above the ground is exactly equal to the potential energy (PE) of the ball when it was released. Which is true about this closed physical system? a. It obeys the second law of thermodynamics. b. It obeys the first law of thermodynamics. c. It obeys the law of conservation of energy.
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Michele_Laino
  • Michele_Laino
Hint: If we have the equation: KE=PE, then energy is conserved, since we have this situation: |dw:1432943992297:dw| so the sum: KE + PE = mgh, at both positions
shamim
  • shamim
Anyway thermodynamics deals with heat
shamim
  • shamim
Total energy is always equal is called conservation of energy

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shamim
  • shamim
Total energy=k.E+p.E
anonymous
  • anonymous
thanks for the help!!
shamim
  • shamim
Welcome!!

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