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Sagot :
To calculate the kinetic coefficient of friction is closest to: 1. 0.23.
Given the following data:
- Horizontal force = 4.5 Newton
- Normal force = 20 Newton
- Speed = 3.0 m/s
To calculate the kinetic coefficient of friction:
Mathematically, the kinetic force is given by this formula;
[tex]F_k = uF_n[/tex]
Where;
- [tex]F_k[/tex] represents the kinetic force.
- [tex]F_n[/tex] is the normal force.
- μ represents the kinetic coefficient of friction.
Making μ the subject of formula, we have:
[tex]u=\frac{F_k}{F_n}[/tex]
Substituting the given parameters into the formula, we have;
[tex]u=\frac{4.5}{20}[/tex]
u = 0.225 ≈ 0.23
Read more on kinetic coefficient of friction here: https://brainly.com/question/13940648
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