juie ran eight laps around her school's quarter mile track in 18 minutes. her average velocity was _______m/s
2 answers:
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The force of friction is 78.4 N
What is force of friction?
Frictional force is the force created when two surfaces come into contact and slide against each other. it is given by the equation:
μ *
where,
= force of friction
μ = coefficient of friction
= normal force
Given,
μ
We know,
Subsituing the values in equation:
μ *
The force of friction is 78.4 N.
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