The iron ball is suspended from a box that floats in water. The box has a height of 5.00 cm, a face area of 10.0 cm2, and a density of 0.30 g/cm3, and 2.00cm of its height is above the water surface. What’s the radius of the ball?

The iron ball is suspended from a box that floats in water. The box has a height of 5.00 cm, a face area of 10.0 cm 2 , and a density of 0.30 g/cm3, and 2.00 cm of its height is above the water surface. What’s the radius of the ball? Hints: ❏ Identify all forces acting on the box and write Newton’s second law. ❏ The box is stationary, which means the forces (including buoyant force) are balanced. You can use this to find tension in the rope. ❏ Identify all forces acting on the ball and write Newton’s second law. ❏ Iron ball is stationary, which means the forces (including buoyant force) are balanced.

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