tieragroff
31.01.2021 •
Physics
A hiker walks with an average speed of 2.6 M squared what distance in kilometer does a hiker travel in a time of 2.8 hours
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Ответ:
0.728 kilometers
Explanation:
I Used My Big Brain
Ответ:
40 J
Explanation:
Work = change in energy
W = 1/2 k (Δx)²
First we need to find the value of k.
F = kΔx
10 N = k (0.04 m)
k = 250 N/m
Solving for work
W = (250 N/m) (0.40 m)²
W = 40 J