wheremis the mass of the insect and (stress)TA=. Since the volume of the thread remains constant is it is being stretched, we have 00VAL AL==, or 0(/)/3AALL A. The vertical distance yΔis 2209(/2) (0/2)244LLyLΔ=−=− =.Thus, the mass of the insect is 0012282242(/3)(stress)sin2(stress)4 2(stress)2sin33/294 2(8.00 10m )(8.20 10 N/m )9(9.8 m/s )4.21 10kgAAATymgggLgθ−−Δ==××==×or 0.421 g.50. On the verge of breaking, the length of the thread is
This is the end of the preview. Sign up
access the rest of the document.