Answer:
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Explanation:
both answer is option C
tag me brainliest
E=0.5 m v^2
2*10^-5 = 0.5 1000*v^2
4*10^-5=1000v^2
4*10^-8=v^2
2*10^-4 =v
I would carry a 25 pound box up 5 flights, because it is lighter. You will wear out faster carrying a 50 pound box up 3 flights.
The speed of a turtle is 4m/s
speed = distance/time
distance = 100m
time = 25s
s = 100/25
= 4m/s
