Velocity data for air are collected at different radii from the centerline of a circular 16-cm-diameter pipe as tabulated below:
r, cm | 0 | 1.60 | 3.20 | 4.80 | 6.40 | 7.47 | 7.87 | 7.95 | 8 |
v, m/s | 10 | 9.69 | 9.30 | 8.77 | 7.95 | 6.79 | 5.57 | 4.89 | 0 |
Use numerical
where
Want to see the full answer?
Check out a sample textbook solutionChapter 24 Solutions
Package: Loose Leaf For Numerical Methods For Engineers With 1 Semester Connect Access Card
- Find the exact lateral area of each solid in Exercise 40. Find the exact volume of the solid formed when the region bounded in Quadrant I by the axes and the lines x = 9 and y = 5 is revolved about the a) x-axis b) y-axisarrow_forwardTo investigate the fluid mechanics of swimming, twenty swimmers each swam a specified distance in a water-filled pool and in a pool where the water was thickened with food grade guar gum to create a syrup-like consistency. Velocity, in meters per second, was recorded and the results are given in the table below. Swimmer Velocity (m/s) Water Guar Syrup 1 0.90 0.94 2 0.92 0.97 3 1.00 0.95 4 1.10 1.15 5 1.20 1.24 6 1.25 1.24 7 1.25 1.27 8 1.30 1.30 9 1.35 1.31 10 1.40 1.42 11 1.40 1.41 12 1.50 1.54 13 1.65 1.59 14 1.70 1.70 15 1.75 1.80 16 1.80 1.77 17 1.80 1.81 18 1.85 1.86 19 1.90 1.89 20 1.95 1.95 The researchers concluded that swimming in guar syrup does not change mean swimming speed. Are the given data consistent with this conclusion? Carry out a hypothesis test using a 0.01 significance level. (Use μd = μwater − μguar syrup.) State the appropriate null and alternative hypotheses. H0: μd ≠ 0 Ha: μd = 0 H0: μd = 0 Ha: μd ≠ 0…arrow_forwardTo investigate the fluid mechanics of swimming, twenty swimmers each swam a specified distance in a water-filled pool and in a pool where the water was thickened with food grade guar gum to create a syrup-like consistency. Velocity, in meters per second, was recorded and the results are given in the table below. Swimmer Velocity (m/s) Water Guar Syrup 1 0.90 0.94 2 0.92 0.97 3 1.00 0.95 4 1.10 1.15 5 1.20 1.24 6 1.25 1.24 7 1.25 1.27 8 1.30 1.30 9 1.35 1.32 10 1.40 1.41 11 1.40 1.42 12 1.50 1.54 13 1.65 1.58 14 1.70 1.70 15 1.75 1.80 16 1.80 1.77 17 1.80 1.82 18 1.85 1.89 19 1.90 1.88 20 1.95 1.95 The researchers concluded that swimming in guar syrup does not change mean swimming speed. Are the given data consistent with this conclusion? Carry out a hypothesis test using a 0.01 significance level. (Use ?d = ?water − ?guar syrup.) State the appropriate null and alternative hypotheses. H0: ?d < 0 Ha: ?d = 0 H0: ?d = 0 Ha: ?d < 0…arrow_forward
- To investigate the fluid mechanics of swimming, twenty swimmers each swam a specified distance in a water-filled pool and in a pool where the water was thickened with food grade guar gum to create a syrup-like consistency. Velocity, in meters per second, was recorded and the results are given in the table below. Swimmer Velocity (m/s) Water Guar Syrup 1 0.90 0.94 2 0.92 0.98 3 1.00 0.95 4 1.10 1.15 5 1.20 1.24 6 1.25 1.24 7 1.25 1.28 8 1.30 1.30 9 1.35 1.31 10 1.40 1.42 11 1.40 1.41 12 1.50 1.54 13 1.65 1.57 14 1.70 1.70 15 1.75 1.80 16 1.80 1.78 17 1.80 1.81 18 1.85 1.86 19 1.90 1.87 20 1.95 1.95 The researchers concluded that swimming in guar syrup does not change mean swimming speed. Are the given data consistent with this conclusion? Carry out a hypothesis test using a 0.01 significance level. (Use ?d = ?water − ?guar syrup.) State the appropriate null and alternative hypotheses. H0: ?d < 0 Ha: ?d = 0 H0: ?d = 0 Ha: ?d < 0…arrow_forwardTo investigate the fluid mechanics of swimming, twenty swimmers each swam a specified distance in a water-filled pool and in a pool where the water was thickened with food grade guar gum to create a syrup-like consistency. Velocity, in meters per second, was recorded and the results are given in the table below. Swimmer Velocity (m/s) Water Guar Syrup 1 0.90 0.93 2 0.92 0.98 3 1.00 0.95 4 1.10 1.14 5 1.20 1.23 6 1.25 1.23 7 1.25 1.28 8 1.30 1.30 9 1.35 1.34 10 1.40 1.42 11 1.40 1.44 12 1.50 1.53 13 1.65 1.59 14 1.70 1.70 15 1.75 1.80 16 1.80 1.78 17 1.80 1.84 18 1.85 1.86 19 1.90 1.89 20 1.95 1.95 The researchers concluded that swimming in guar syrup does not change mean swimming speed. Are the given data consistent with this conclusion? Carry out a hypothesis test using a 0.01 significance level. (Use μd = μwater − μguar syrup.) Find the test statistic and P-value. (Round your test statistic to one decimal place and your…arrow_forwardThe volume V of a right circular cylinder of radius r and height h is V=πr2h(a) How is dV/dt related to dr/dt if h is constant and r varies with time? (Enter drdt as dr/dt.)dV/dt= (b) How is dVdtdVdt related to dhdtdhdt if r is constant and h varies with time? (Enter dhdt as dh/dt.)dV/dt=(c) How is dVdt related to dhdt and drdt if both h and r vary with time?dV/dt=arrow_forward
- The population density of a city is approximated by the model f(x, y) = 2000e−0.01(x2 + y2), x2 + y2 ≤ 49, where x and y are measured in miles. Integrate the density function over the indicated circular region to approximate the population of the city. (Round your answer to the nearest whole number.)arrow_forwardpropose a formula for the average value of F(x, y,z) along a smooth curve Cparametrized by r(t) for a ≤ t ≤ b.arrow_forwardFind the average value of ƒ(x, y) = sin (x + y) over the rectangle 0 ≤ x ≤ π, 0 ≤ y ≤ π/2.arrow_forward
- Elementary Geometry For College Students, 7eGeometryISBN:9781337614085Author:Alexander, Daniel C.; Koeberlein, Geralyn M.Publisher:Cengage,