1)
ep=45kg * 10m/s2 * 12m
ep= 5400 joules
2)
450 j = 35 * 10 * h
h = 1.2m
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Verified answer
1)
ep=45kg * 10m/s2 * 12m
ep= 5400 joules
2)
450 j = 35 * 10 * h
h = 1.2m
ec=546.720
em 5,286396533E12