5. Extension 1: The formula for potential energy is PE = m. g.h. In this formula
energy (in joules), m stands for mass (in kilograms), h stands for height (in me
acceleration caused by gravity. On Earth's surface, g is 9.8 m/s2. This means
of a falling object increases by 9.8 m/s.
Calculate the potential energy of a 20-kg sled at 40 meters. / Show
your work
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5. Extension 1: The formula for potential energy is PE = m. g.h. In this formula
energy (in joules)...
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