A trash can slides on a level floor after being pushed by an unhappy student. It slows and comes to a stop with a constant acceleration of - 2.4m/s2. What is the coefficient of kinetic friction between the trash can and the floor

Question

Physics

Kaylen

23 September, 10:18

A trash can slides on a level floor after being pushed by an unhappy student. It slows and comes to a stop with a constant acceleration of - 2.4m/s2. What is the coefficient of kinetic friction between the trash can and the floor

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Answers (1)

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Adyson Trujillo · Answer 1

Given:

Acceleration, a = - 2.4 m/s^2

Acceleration due to gravity, g = 9.8 m/s^2

Sum of forces = 0

Fr + F = 0

Fr = µsl * m * g

Since, Fn = m * g

m * a = ( - µsl * mg)

µsl = - a/g

= 2.4/9.8

= 0.245