Activity 3: It's Your Choice! Directions: Read carefully each item. Write only the letter of the best answer in your answer sheet. 1. If a liquid enters a pipe of diameter d with a velocity v, what will its velocity at the exit if the diameter reduces to 0.5d? A. 2v C. 4v B. 3v D. SV 2. The density of a substance is 1500 kg/m' . What volume will 50 kg of this substance occupy? A. 0.001 m3 C. 0.10 m3 B. 0.01 m3 D. 1.0 m' 3. What is the volume rate of flow of water from a 1.85-cm-diameter faucet if the speed of the fluid is 5 m/s? A. 1.33 x 10-3 m3 /s C. 1.35 x 10-3 m3 /s B. 1.34 x 10-3 m3 /s D. 1.36 x 10-3 m3 /s 4. Water flows from a pipe of diameter 2d to a large pipe of a diameter 4d. if the speed of water in the larger pipe is 8.0 m/s, what is the speed of the water in the narrower pipe? A. 2.0 m/s C. 8.0 m/s B. 4.0 m/s D. 16.0 m/'s