Homework Help: Physics

Posted by Ryan on Monday, November 14, 2011 at 8:41pm.

A 1.7 kg otter starts from rest at the top of a
muddy incline 89.2 cm long and slides down
to the bottom in 0.60 s.
What net external force acts on the otter
along the incline?
Answer in units of N

Physics - bobpursley, Monday, November 14, 2011 at 9:00pm
external force? gravity, friction.

vavg= .892m/.60s

Vf= 2*vavg
a= Vf/.6
forceactingnet=mass*a

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