- #1
physicsgurl12
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Homework Statement
Assuming equal rates of acceleration in both cases how much further would you travel if braking from 56mi/h to rest than from 28mi/h ?
a, 5.2 times farther
b, 4.8 times farther
c, 3.2 times farther
d, 4.0 times farther
Homework Equations
not really sure what i should use.
v=v0+at
x= x0+2a(x-x0)
The Attempt at a Solution
0-56/0-28=56/28=2