Asked by Abdulsalam yaro
Olu whose mass is 25cm ran up a fight to 25 steps such 20cm is hight how much work done did olu (g=10m/second
Answers
Answered by
*This girl CJ
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
gain in PE = m g h = 50 * 10 * 5 = 2500 Joules
power = energy/time = 2500 Joules / 20 seconds = 250/2 = 125 watts
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