The construction of a water pistol is shown in the figure below. The cylinder with cross-sectional area A₁ is filled with water and when the piston is pushed (by pulling the trigger), water is forced out the tube with cross-sectional area A2. The radius of the cylinder and tube are, respectively, 1.30 cm and 1.10 mm, and the center of the tube is a height h = 3.00 cm above the center of the cylinder. (Assume atmospheric pressure is 1.013 × 105 Pa.) A2 A₁ (a) If the pistol is fired horizontally at a height of 1.30 m, determine the time interval (in s) required for water to travel from the nozzle to the ground. Neglect air resistance. (No Response) s (b) If the desired range of the stream is 7.50 m, with what speed ✓2 (in m/s) must the stream leave the nozzle? (No Response) m/s (c) At what speed v₁ (in m/s) must the plunger be moved to achieve the desired range? (No Response) m/s (d) What is the pressure (in Pa) at the nozzle? (No Response) Pa (e) Find the pressure (in Pa) needed in the cylinder. (No Response) Pa (f) Calculate the force (in N) 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. Enter the magnitude.) (No Response) N
The construction of a water pistol is shown in the figure below. The cylinder with cross-sectional area A₁ is filled with water and when the piston is pushed (by pulling the trigger), water is forced out the tube with cross-sectional area A2. The radius of the cylinder and tube are, respectively, 1.30 cm and 1.10 mm, and the center of the tube is a height h = 3.00 cm above the center of the cylinder. (Assume atmospheric pressure is 1.013 × 105 Pa.) A2 A₁ (a) If the pistol is fired horizontally at a height of 1.30 m, determine the time interval (in s) required for water to travel from the nozzle to the ground. Neglect air resistance. (No Response) s (b) If the desired range of the stream is 7.50 m, with what speed ✓2 (in m/s) must the stream leave the nozzle? (No Response) m/s (c) At what speed v₁ (in m/s) must the plunger be moved to achieve the desired range? (No Response) m/s (d) What is the pressure (in Pa) at the nozzle? (No Response) Pa (e) Find the pressure (in Pa) needed in the cylinder. (No Response) Pa (f) Calculate the force (in N) 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. Enter the magnitude.) (No Response) N
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 44PQ: Water enters a smooth, horizontal tube with a speed of 2.0 m/s and emerges out of the tube with a...
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Question
Transcribed Image Text:The construction of a water pistol is shown in the figure below. The cylinder with cross-sectional area A₁ is filled with water and
when the piston is pushed (by pulling the trigger), water is forced out the tube with cross-sectional area A2. The radius of the
cylinder and tube are, respectively, 1.30 cm and 1.10 mm, and the center of the tube is a height h = 3.00 cm above the center of
the cylinder. (Assume atmospheric pressure is 1.013 × 105 Pa.)
A2
A₁
(a) If the pistol is fired horizontally at a height of 1.30 m, determine the time interval (in s) required for water to travel from
the nozzle to the ground. Neglect air resistance.
(No Response) s
(b) If the desired range of the stream is 7.50 m, with what speed ✓2 (in m/s) must the stream leave the nozzle?
(No Response) m/s
(c) At what speed v₁ (in m/s) must the plunger be moved to achieve the desired range?
(No Response) m/s
(d) What is the pressure (in Pa) at the nozzle?
(No Response) Pa
(e) Find the pressure (in Pa) needed in the cylinder.
(No Response) Pa
(f) Calculate the force (in N) 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. Enter the magnitude.)
(No Response) N
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