A Submerged Ball Part A A ball of mass m and volume V is lowered on a string into a fluid of density pf - ( Figure 1) Assume that the object would sink to the bottom if it were not supported by the string. What is the tension T in the string when the ball is fully submerged but not touching the bottom, as shown in the figure? Express your answer in terms of any or all of the given quantities and g, the magnitude of the free-fall acceleration. View Available Hint(s) Figure mb 1 of 1 T = Submit Provide Feedback ? Problem 13.57 A U-shaped tube open to the air at both ends contains some mercury. A quantity of water is carefully poured into the left arm of the U-shaped tube until the vertical height of the water column is hw = 14.0 cm Part A What is the gauge pressure at the water-mercury interface? Express your answer in pascals to three significant figures. hw Water Mercury Submit Request Answer Part B ? Pa Calculate the vertical distance h from the top of the mercury in the right-hand arm of the tube to the top of the water in the left-hand arm. Express your answer in centimeters to three significant figures. h = Submit Request Answer Provide Feedback ? cm