Asked by sh
A box is given a quick push so that it slides along a horizontal floor.
a) What is its acceleration if the coefficient of kinetic friction is 0.30?
b) How far will it travel if its initial speed was 3.0m/s?
Is it possible to find the acceleration when only one piece of information is given?
a) What is its acceleration if the coefficient of kinetic friction is 0.30?
b) How far will it travel if its initial speed was 3.0m/s?
Is it possible to find the acceleration when only one piece of information is given?
Answers
Answered by
bobpursley
The force slowing down the box is friction
mu*mg= m*a
a= mu*g
When is work done by friction = initialKE?
mu*mg*distance= 1/2 m v^2
distance= 1/2 v^2/mu*g
mu*mg= m*a
a= mu*g
When is work done by friction = initialKE?
mu*mg*distance= 1/2 m v^2
distance= 1/2 v^2/mu*g
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