stering pearson.com An open barge has the dimensions shown in the figure ( Figure 1). Figure G 22 m m/ K -40 m 12 m 40 < 1 of 1 4 Part A X 3금 If the barge is made out of 6.0-cm-thick steel plate on each of its four sides and its bottom, what mass of coal can the barge carry in freshwater without sinking? Express your answer using two significant figures. m= 9.5×106 kg Submit Previous Answers Answer Requested Part B Is there enough room in the barge to hold this amount of coal? (The density of coal is about 1500kg/m³) 3 yes no ✓ Correct Q Search Provide Feedback U hp 8 O Previous Answers SESE ONE 5/7/2004

. A certain part of an aircraft engine has a volume of 1.3 Ft3, (a) Find the weight of the piece when it is made of iron. (b) If the same piece is made of aluminum, what is its weight? Determine how much weight is saved by using aluminum instead of iron.

What fraction of ice is submerged when it floats in freshwater, given the density of water 0°C is very close to 1000 kg/m3?

(a) Estimate the time it would take to fill a private swimming pool with a capacity of 80,000 L using a garden hose delivering 60 L/min. (b) How long would it take to fill if you could divert a moderate size river, flowing at 5000 m3/s, into it?

What must be the contact area between a suction cup (completely evacuated) and a ceiling if the cup is to support the weight of an 80.0-kg student?

A table-tennis ball has a diameter of 3.80 cm and average density of 0.084 0 g/cm3. What force is required to hold it completely submerged under water?

Liquid toxic waste with a density of 1752 kg/m3 is flowing through a section of pipe with a radius of 0.312 m at a velocity of 1.64 m/s. a. What is the velocity of the waste after it goes through a constriction and enters a second section of pipe with a radius of 0.222 m? b. If the waste is under a pressure of 850,000 Pa in the first section of pipe, what is the pressure in the second (constricted) section of pipe?

A container of water has a cross-sectional area of A=0.1m2 . A piston sits top of the water (see be following figure). There is a spout located 0.15 m from the bottom of tank, open to the atmosphere, and a stream of water exits the spout. The cross sectional area of the spat is As=7.0104m2 . (a) What is the velocity of the water as it leaves the spout? (b) If the opening of the spout is located 1.5 m above the grand, how far from be pout does water hit the floor? Ignore friction and dissipative forces.

Pascal’s Principle and Hydraulics 59. How much pressure is transmitted in the hydraulic system considered in Example 14.3? Express your answer in atmospheres.

(a) What is the mass of a deep breath of air having a volume of 2.00 L? (b) Discuss the effect taking such a breath has on your body's volume and density.