- #1
Jennifer001
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Homework Statement
a sled slides along a horizontal surface on which the coeffient of kinetic friction 0.25. its veocity at pt A is 8m/s at pt B its 5m/s. use impulse-momentum theorem to find how long the sled takes to travel from A to B
Homework Equations
P=J
The Attempt at a Solution
m(delta)v=Ft
(delta)v=ukgt
vf-vi=ukgt
uk = kinetic friction coeff.
ive gotten this far and I am not sure how I'm suppoes to solve for time if there's 2 unknown varibles g and t.. is there a way i can solve for g .
am i doing this question correctly?