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*This girl CJ
Answers (7)
5x ≥ 26
20 * 0.25 = 20/4 = 5 meters up gain in PE = m g h = 50 * 10 * 5 = 2500 Joules power = energy/time = 2500 Joules / 20 seconds = 250/2 = 125 watts
Is there anyway you could send it?
Were you given notes before taking the test?
