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Water and then oil (which don’t mix) are poured into a
Chapter 4, Problem 16P(choose chapter or problem)
QUESTION:
Water and then oil (which don’t mix) are poured into a U-shaped tube, open at both ends. They come to equilibrium as shown in Fig. 10–49. What is the density of the oil? [Hint: Pressures at points a and b are equal. Why?]
Questions & Answers
QUESTION:
Water and then oil (which don’t mix) are poured into a U-shaped tube, open at both ends. They come to equilibrium as shown in Fig. 10–49. What is the density of the oil? [Hint: Pressures at points a and b are equal. Why?]
ANSWER:
ANSWER:STEP 1:-The speed of the fastest human is 11 m/s.Let’s say, his mass is “m”.The kinetic energy will be, K.E = 1/2 m V = 1/2 × m × 11 = 1/2 × m × 121 = 60.5 m jules.The potential energy or the gravitational poten