Neco 2017 Physics Question 47
Practice objective / multiple choice question 47 from the 2017 Neco Physics examination.
A \(5\,\text{kg}\) block starts from rest at the top of a \(30^{\circ}\) incline that is \(8\,\text{m}\) long. The coefficient of kinetic friction between the block and the incline is \(\mu_k = 0.15\). At the bottom of the incline the block compresses a spring of force constant \(k = 600\,\text{N m}^{-1}\) and comes to rest after compressing the spring by \(0.10\,\text{m}\). Determine the work done by the frictional force during the motion (give the signed value in joules).
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About This Question
This is Neco 2017 Physics Question 47. It is one of the objective questions from the 2017 Neco Physics examination.
Difficulty level: Medium .
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