13. A 3kg rock is initially at rest at the top of a cliff. Assuming the rock falls into the sea at the foot of the cliff
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13. A 3kg rock is initially at rest at the top of a cliff. Assuming the rock falls into the sea at the foot of the cliff
13. A 3kg rock is initially at rest at the top of a cliff. Assuming the rock falls into the sea at the foot of the cliff and that its kinetic energy is transferred entirely to the water, how high is the cliff if the temperature of 1kg of water is raised 0.3°C?
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