12-107. The fireman wishes to direct the flow of waterfrom his hose to the fire at B. Determine two possible angles0, and 02 at which this can be done. Water flows from thehose at va = 80 ft/s.NA20 ft35 ft

Time required to reach point B x=vAcosθtt=xvAcosθ=35 ft80 ft/scosθ=0.4375 scosθ

Answered: 12-107. The fireman wishes to direct…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

#12-21. A pipe carries water at a flow rate of 25 gpm. Determine the minimum inside diameter so that the average velocity of the fluid does not exceed: a. 10 ft/s b. 8 ft/s c. 4 ft/s.
A block of wood floats in fresh water with 0.792 of its volume V submerged and in oil with 0.949 V submerged. Find the density of (a) the wood and (b) the oil. (a) Number i (b) Number i Units Units î
A room has a width of 14.1 feet, a length of 15.5 feet, and a ceiling height of 12.0 ft. The average flow rate for this room's air conditioning unit is 3.07 m^3/s. How many SECONDS will it take for the air conditioner to cycle the volume of air in the room?
What increase in pressure is required to decrease the volume of 200L of water by 0.004percent? Given B=2100M Pa.
A tank in the shape of an inverted cone has a height of 20 meters and a base radius of 11 meters and is filled with liquid to a depth of 16 meters. Determine the amount of work needed to pump all of the liquid to a point 1m from to the top of the tank. Assume that the density of the liquid is 793 kg/m 3
AST Water is flowing in the pipe shown in the figure below, with the 8.20-cm diameter at point 1 tapering to 3.85 cm at point 2, located y 12.5 cm below point 1. The water pressure at point 1 is 3.20 x 10 Pa and decreases by 50% at point 2. Assume steady, ideal flow. What is the speed of the water at the following points? (a) point 1 x Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. m/s (b) point 2 x Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. m/s
A cylinder that is hi = 18.5 cm tall and open on top is filled with water. If a hole is made in the side of the cylinder, Ah Ah = 3.40 cm below the top level, how far x from the base of the cylinder will the stream land? h, Assume that the cylinder is large enough so that the level of the water in the cylinder does not drop significantly. cm
Likuid petroleum exerts a presure of 2.60 kPa on a circular face of a piston with a radiusr = 1.90 cm. What is the total force on the piston?
A block of wood floats in fresh water with 0.664 of its volume V submerged and in oil with 0.885 V submerged. Find the density of (a) the wood and (b) the oil. (a) Number (b) Number i Units Units
A pipe with a radius of 51 cm has water flowing at 5.3 m/s. If water goes into a new pipe with radius 21 cm, how much will the pressure decrease? ΔΡ- unit Pa
25,708 E 8. Water at a pressure of 4.70 atm at street level flows into an office building at a speed of 0.80 m/s through a pipe 5.00 cm in diameter. The pipes taper down to 2.00 cm in diameter by the top floor, 22.0 m above. Calculate the water pressure in such a pipe on the top floor. Pa 27 R DI C F V 96 5 T G tv 6. B MacBook Air & 7 D N 34 8 M ( 9 K A O O W F10 P P zoom by mi 04 M vauies or the puffer s Am delete
Assume that a raindrop has a volume of 0.05 cm^3 and you need an Avogadro's number of raindrops to fill up the cubic water tank. What is the length of the edge of the tank?

SEE MORE QUESTIONS

Recommended textbooks for you

College Physics

Physics

ISBN:

9781305952300

Author:

Raymond A. Serway, Chris Vuille

Publisher:

Cengage Learning

University Physics (14th Edition)

Physics

ISBN:

9780133969290

Author:

Hugh D. Young, Roger A. Freedman

Publisher:

PEARSON

Introduction To Quantum Mechanics

Physics

ISBN:

9781107189638

Author:

Griffiths, David J., Schroeter, Darrell F.

Publisher:

Cambridge University Press

College Physics

Physics

ISBN:

9781305952300

Author:

Raymond A. Serway, Chris Vuille

Publisher:

Cengage Learning

University Physics (14th Edition)

Physics

ISBN:

9780133969290

Author:

Hugh D. Young, Roger A. Freedman

Publisher:

PEARSON

Introduction To Quantum Mechanics

Physics

ISBN:

9781107189638

Author:

Griffiths, David J., Schroeter, Darrell F.

Publisher:

Cambridge University Press

Physics for Scientists and Engineers

Physics

ISBN:

9781337553278

Author:

Raymond A. Serway, John W. Jewett

Publisher:

Cengage Learning

Lecture- Tutorials for Introductory Astronomy

Physics

ISBN:

9780321820464

Author:

Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden

Publisher:

Addison-Wesley

College Physics: A Strategic Approach (4th Editio…

Physics

ISBN:

9780134609034

Author:

Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field

Publisher:

PEARSON

SEE MORE TEXTBOOKS

12-107. The fireman wishes to direct the flow of water from his hose to the fire at B. Determine two possible angles 0, and 02 at which this can be done. Water flows from the hose at va = 80 ft/s. NA 20 ft 35 ft