Question

(3 points) A cylindrical cork with density pe 0.2 x 10*kg/m3 and length L is held sub merged under water (pw-1.0 × 103 kg/m3) such that the cork is vertical and its top is ust below the surface of the water (Figure 4). When the cork is released, how far above the surface of the water will the top of the cork reach before it falls back down? Express your answer in terms of L and assume that there are no drag forces on the cork as it moves through the water or air and that the cork does not rotate Figure 4: A cork held under waler.

Answer 1

det its velocity is when it de moutside the water now Net force – B-me a T 9 Lae vald = trung - 4439 vov = (2- 22-&g) an was - [ 6-12 – 22 23 ={(-)83 - 2003). Ventg 92 now by energy conservation vigtede n= = Beste total height - attain by top 4th PWL 250