Tiêu đề 2024 DSE PHY P1B E.pdf ✅

Answers written in the margins will not be marked. 3. Asmall block P of mass 0.20 kg rests on side 4 of a horizontal table as shown. The surface of the table is smooth from 4 to B but is rough from B to C. Neglect air resistance. 030N P Figure 3.1 A horizontal force of 0.30 N acts on the block as shown. (a) Find the speed of the block after it travels 0.75 m to point B. (2 marks) (b) The horizontal force is removed when block P just reaches B. When the block continues to travel from Bto C, on the free-body diagram below indicate and name the force(s) acting on the block. (2 marks) B *(c) The block leaves side C of the table and takes 0.35 s to reach point X on the ground. Estimate the height of the table. (2 marks) Answers written in the margins will not be marked. 2024-DSE-PHY 1B-4 4 Answers written in the margins will not be marked.