In a water pistol, a piston drives water through a larger tube of area A, into a smaller tube of area Az as shown in the figure below. The radius of the large tube is 1.30 cm and that of the small tube is 1.20 mm. The smaller tube is 3.00 cm above the larger tube. (a) If the pistol is fired horizontally at a height of 1.40 m, determine the time interval required for water to travel from the nozzle to the ground. Neglect air resistance and assume atmospheric pressure is 1.00 atm. 0.53465 (b) If the desired range of the stream is 7.80 m, with what speed v2 must the stream leave the nozzle? 14.59 v m/s (c) At what speed v, must the plunger be moved to achieve the desired range? 0.1243 v m/s (d) What is the pressure at the nozzle? Pa (e) Find the pressure needed in the larger tube. Pa (f) Calculate the force that must be exerted on the trigger to achieve the desired range. (The force that must be exerted is due to pressure over and above atmospheric pressure.) N

In a water pistol, a piston drives water through a larger tube of area A, into a smaller tube of area Az as shown in the figure below. The radius of the large tube is 1.30 cm and that of the small tube is 1.20 mm. The smaller tube is 3.00 cm above the larger tube. (a) If the pistol is fired horizontally at a height of 1.40 m, determine the time interval required for water to travel from the nozzle to the ground. Neglect air resistance and assume atmospheric pressure is 1.00 atm. 0.53465 (b) If the desired range of the stream is 7.80 m, with what speed v2 must the stream leave the nozzle? 14.59 v m/s (c) At what speed v, must the plunger be moved to achieve the desired range? 0.1243 v m/s (d) What is the pressure at the nozzle? Pa (e) Find the pressure needed in the larger tube. Pa (f) Calculate the force that must be exerted on the trigger to achieve the desired range. (The force that must be exerted is due to pressure over and above atmospheric pressure.) N

Name: D,E,F In a water pistol, a piston drives water through a larger tube o
Uploaded: 2024-03-20T06:56:46.000Z
Channel: Bartleby
Description: D,E,F In a water pistol, a piston drives water through a larger tube of area A, into a smaller tube of area A, as shown in the figure below. The radius of the large tube is 1.30 cm and that of the small tube is 1.20 mm. The smaller tube is 3.00 cm ab

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter15: Fluids

Section: Chapter Questions

Problem 46PQ

See similar textbooks

Similar questions

Air is blown into a spherical balloon so that, when its radius is 6.50 cm, its radius is increasing at the rate 0.900 cm/s. (a) Find the rate at which the volume of the balloon is increasing. (b) If this volume flow rate of air entering the balloon is constant, at what rate will the radius be increasing when the radius is 13.0 cm? (c) Explain physically why the answer to part (b) is larger or smaller than 0.9 cm/s, if it is different.
The inside diameters of the larger portions of the horizontal pipe depicted in Figure P9.45 are 2.50 era. Water flows to the right at a rate of 1.80 104 m3/s. Determine the inside diameter of the constriction. Figure P9.45
In an immersion measurement of a woman's density, she is found to have a mass of 62.0 kg in air and an apparent mass of 0.0850 kg when completely submerged with lungs empty. (a) What mass of water does she displace? (b) What is her volume? (c) Calculate her density. (d) If her lung capacity is 1.75 L is she able to float without treading water with her lungs filled with air?
The inside diameters of the larger portions of the horizontal pipe depicted in Figure P9.45 are 2.50 era. Water flows to the right at a rate of 1.80 104 m3/s. Determine the inside diameter of the constriction. Figure P9.45
When a nurse squeezes a syringe vertically up, the liquid squirtss 3.43 cm into the air With what speed does the liquid emerges from the syringe? CHOICES A. 0.82 cm/s B. 82 cm/s C. 820 cm/s D. 82.52 cm/s
To simulate low gravity, astronauts train underwater. At one point, an 81 kg astronaut is found to have an apparent weight of 750 N. What is the density of the astronaut? The density of water is 1,000 kg/m3. A. 18,121 kg/m^3 B. 1,059 kg/m^3 C. 1,000 kg/m^3 D. 513 kg/m^3
If a person blows air at a speed of 15m / s, passing through the top of one of the branches of a U-tube containing water, what will be the difference in level between the two sides of this tube?
According to Poiseuille's laws, the velocity V of blood is given by V = k ( R2 - r2 ) where R is the radius of the blood vessel, r is the distance of a layer of blood flow from the center of the vessel, and k is a constant. A patient takes blood vessel dilation medication so that her blood velocity is modeled by Poiseuille's law with k = 489.5. Find the rate of change of the blood velocity when R = 0.06 mm and R is changing at 0.002 mm per minute. Assume r is constant. The blood velocity is increasing at how many mm per minute each minute?
For numbers 12 and 13, refer to the problem below.Water flows at a rate of 0.25 m3/min in a horizontal pipe of varyingcross-sectional areas. Calculate the velocity of the water at a section wherethe radius of the pipe is (12) 0.06 m and (13) at a section where the radiusis 9.0 cm.12. a. 0.38 m/s b. 0.55 m/s c. 1.32 m/s d. 2.36 m/s13. a. 0.55 m/s b. 0.25 m/s c. 0.17 m/s d. 0.02 m/s
A balloon filled with helium gas has an average density of ρb = 0.39 kg/m3. The density of the air is ρa = 1.23 kg/m3. The volume of the balloon is Vb = 0.045 m3. The balloon floats upward with acceleration a. a.) Express the acceleration of the balloon a in terms of the variables given in the problem statement, assuming upwards is the positive direction. b.) Calculate the numerical value of a in m/s2.
Physics A fountain consists of a small hemispherical rose (sprayer) which lies on the surface of the water in a basin, as illustrated in the figure. The rose has many evenly distributed small holes in it, through which water spurts at the same speed v0 in all directions. What is the shape of the water ’bell’ formed by the jets (see the dashed line)? Give the equation of the curve in terms of v0 and g.
What is the mass flow rate of water if its volume flow rate is 520 liters/min? Choices: 8.67 kg/min 520 kg/s 520000 kg/s 0.52 kg/s 520000 m^3/s 520 m^3/min 8.67 m^3/s 8.67 kg/s 0.00052 m^3/s