What is her acceleration on the rough ice?

=>a = -5.1m/s2
accleration a = ?
a = [v^ 2-u^ 2] / 2S
= -5.1 m/s^ 2
=>5.8^2 – 9.2^2 = 2a*5
last velocity v = 5.8 m/s
we realize v^ 2- u^ 2= 2aS
in other words. human anatomy decelerates at price of 5.1m/s2 ….

last velocity v = 5.8m/s
v2 – u2 = 2as
initial velocity u = 9.2 m / s

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