Awater pipe tapers down from an initial radius of r1 = 0.21 m to a final radius of r2 = 0.11 m. the water flows at a velocity v1 = 0.84 m/s in the larger section of pipe. 1) what is the volume flow rate of the water?

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

Asolid round steel rod 6.25 mm in diameter and 375 mm long is rigidly bonded to the end of solid square brass rod 25 mm on a side and 300 mm long. the geometric axes of the bare are along the same line. an axial tensile force of 5.4 kn is applied at the extreme ends of the assembly. for steel e = 200 gpa and for brass e = 90 gpa. determine the total elongation for the assembly.