Question 10 (15 marks) A block of mass 5 kg is initially at rest and it slides down a 35° incline with a rough surface.

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Question 10 15 Marks A Block Of Mass 5 Kg Is Initially At Rest And It Slides Down A 35 Incline With A Rough Surface 1 (78.03 KiB) Viewed 186 times

Question 10 (15 marks) A block of mass 5 kg is initially at rest and it slides down a 35° incline with a rough surface. The acceleration of the block is 3.0 ms²², and the length of the incline is 25 m. (a) Draw the free body of the block. (3 marks) (b) What is the speed of the block when it reaches the bottom of the incline? (3 marks) (c) What is the kinetic energy of the block as it reaches the bottom of the incline? (2 marks) (d) How much work is spent in overcoming the friction? (3 marks) (e) What is the magnitude of the frictional force that acts on the block as it slides down the incline? (2 marks) (f) What is the coefficient of kinetic friction between the block and the incline? (2 marks)