Question 3 please

q 3: Ir 4, 1 /2 Fittowidthv u Crop missing questions to get answers and explanations from our expert tutors You can send one question at a time. You have 23 questions remaining 2. What is the workenergy theorem? To what fundamental principle of physics does it relate? (1 mark) 3. In trying to lift sandbag B, attached to a lightweight rope as in the figure below, a worker at the top of the scaffolding places his tools and lunch kit into box A so that the entire mass of box A is now 80 kg. If the sandbag is 65 kg, find its speed as it hits the scaffolding. Assume that the sandbag starts from rest, and that the pulleys have negligible mass and friction. (2 marks) "M- A A L nn 1," n13;nn+1'n11.cI-nxq wnvunqilw +1vn11r'rl1 a A:n+q.~mn n1: I: 0: m kw 11'rv1m4