Let a thin capillary tube be replaced with another tube of insufficient length then, we find water A. will overflow B. will not rise C. depressed D. change its meniscus
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Let a thin capillary tube be replaced with another tube of insufficient length then, we find water
A. will overflow
B. will not rise
C. depressed
D. change its meniscus
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- Water travels through a pipe at 4 m/s. The pipe changes from a radius of 0.75 m to a radius of 1.25 m.What is the area of the 0.75 m radius pipe? What is the area of the 1.25 m pipe? What is the velocity of the water after the pipe has changed radii? How does the pressure change from the 0.75 m pipe to the 1.25 m pipe? Enter a positive number if the pressure increases, a negative number if it decreases.5. Lets say you have a mass of 75 kg, and you put on your moms high heel shoes. You stand on 1 heel (just the heel). Its diameter is a mere 1 cm a) what is the pressure on the floor over the heel ? b) vinyl dents at about 225,000 Pascals of pressure.will the heel form a dent ?A barge loaded with steel bars floats in a lock by a dam (a closed pool of water like a big swimming pool). If some of the cargo is thrown overboard the level of water in the lock will A. rise, provided it is lumber that is thrown overboard B.stay the same. C. rise, provided it is iron ore that is thrown overboard . D. rise. E. drop.
- According to the equation of continuity, if the diameter of a pipe halves, the speed of the fluid inside: A.quaters B.havles C. doubles d. quadrupales1. What is the ratio of the cross-sectional area at point 1 to the cross-sectional area at point 2? A1/A2= 2. What is the difference in pressure between points 1 and 2? (Find P2 - P1)P2 - P1 = 3. Which direction is the water flowing through the pipe?4) A 4 N force is used to compress water in a syringe that has a plunger with an area of 1 cm?. This pressure is released at the other end through an opening with a radius of 1 mm. With what velocity would the water exit the syringe? Assume no height change, and neglect viscosity. 5) If the water in #4 was shot out horizontally from a height of 1 m, how far would it travel before hitting the ground?
- Which of the following statements regarding the presented form of Bernoulli's equation are true? 1 P₁+ + = pw² + pgz₁ = P₂ + = pw² + pgzz Select one or more: U a. The flow is steady and frictionless. Ob. Flow friction is taken into account in the equation. O c. The equation describes energy conservation in a flow. Od. The middle streamline of the flow has to remain on a same level, which means the equation can only be used when zand z2 are equal. Oe. The equation has terms for kinetic energy, potential energy, and pressure. O f. The flow is transient and frictionless.A. Keeping the radius and length the same, how would doubling the height of the drip bagchange the flow rate of fluid? (Be quantitative)B. Keeping the height of the drip bag and length of the cannula the same, how would doublingthe radius of the cannula affect the flow rate of fluid?C. Keeping the radius of the cannula and height of drip bag the same, how would doubling thelength of the cannula affect the flow rate of the fluid?D. Hypodermic needles (and the cannulae attached to them) are described by numbers known as"gauge". Patients commonly receive "18 Gauge", "20 Gauge", and "22 Gauge" cannulae. Largergauges correspond to smaller radii. The radius of the tube, for a given gauge, is summarized onthis webpage. Is the outside diameter (OD) or inside diameter (ID) more relevant to calculatingfluid flow? Why?