The hose is held at an angle 0 = 30° with the horizontal, and the water is discharged at A with a speed of vд = 40 ft/s. If the water stream strikes the building at B, determine the two possible distances s from the building. Part2 Water is discharged from the hose with a speed of 40 ft/s. Determine the two possible angles the firefighter can hold the hose so that the water strikes the building at B. Take s = 20 ft.
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- Suppose that you release a small ball from rest at a depth d below the surface in a pool of water (with density Pwater). If the speed of the ball when it reaches the surface is √gd, what is the ratio of the density of the ball to the density of water, Pball/Pwater? (Note that g is the acceleration due to gravity.) 2 xA ping-pong ball has a mass of 0.005 kg and has a volume of 65.45 cm^3. What is the magnitude of its upward acceleration when placed underneath the surface of water (density=1000 kg/m^3) and released? Ignore the effect of water resistance Select one: O a. 118.48 m/s^2 O b. 375.05 m/s^2 O c. 138.1 m/s^2 O d. 31.03 m/s^2 O e. 12.1 m/s^2Water initially moving through a small horizontal cylindrical pipe enters a new section of pipe with twice the radius of the initial pipe. What is the ratio of the speed of the water in the new section of pipe to the initial speed of the water? A fluid flows through a pipe of radius at a speed for a time . What is the volume of fluid that flows past a point in the pipe during this time?
- A fishbowl contains a single goldfish and is filled with water to the level indicated. At each of the designated points, rotate the given vector to indicate the direction of the force exerted by the water on either the inside of the fishbowl (for points A and B) or the outside of the goldfish (for points C, D, and E).what is the answer??! help!Main Menu Contents Grades Course Contents » Problem Set #7 (due Mon 11/14) » Water jet Timer Notes Evaluate A jet of water squirts out horizontally from a hole near the bottom of the tank, as seen in the figure. 200 у X Assume that x = 1.36 m and y = 1.84 m. What is the speed of the water coming out of the hole? 2.22 m/s You are correct. Your receipt no. is 157-8046 Previous Tries If the hole has a diameter of 3.18 mm, then what is the height, h, of the water level in the tank? .2446m Submit Answer Incorrect. Tries 1/12 Previous Tries Post Discussion Feedback Print Send Feedback
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