Answer:
1.243 mph
Explanation:
C would be the answer
Hope this helps! :)
L = 15 cm
T = 2π√(L/g)
L = g(T/2π)²
L = 9.8(0.78/2π)²
L = 0.151027... m
I can't see the picture
Im sorry can you right whats on the picture down in the comments plz.
I know dude
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