Which statement best describes the energy in this system?
The diagram shows a ball resting at the top of a hill.
X Y
A The potential energy in the system is greatest at X.
B The kinetic energy in the system is greatest at X
C Total energy in the system decreases as the ball moves
from X to Y.
D Total energy in the system increases as the ball moves
from X to Y
Y

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prndulum needs thread, weight clock to time swings

the answer is false. this is because for ice to melt, it requires latent heat of melting. latent heat means heat energy required to change phase without any increase in temperatures. therefore, the ice will take energy from the environment to melt hence atmospheric temperatures will reduce.