physics
posted by ed .
A 89.0 N grocery cart is pushed 13.0 m along an aisle by a shopper who exerts a constant horizontal force of 40.0 N. If all frictional forces are neglected and the cart starts from rest, what is the grocery cart's final speed?

net force=mass*acceleration
40friction= mass* a
find a.
then,
vf^2=2a*distance 
8.94
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