Find the speed of the plane in still air

Assignment Help Mathematics
Reference no: EM13717643

A plane flies 540 miles for 2 hours in the direction of the wind. Then it turns around and flies 690 miles for 3 hours against the same wind. Find the speed of the plane in still air and the wind speed.

Reference no: EM13717643

Questions Cloud

To monitor the proportion of green m&m''s in packages of m&m : To monitor the proportion of green M&M's in packages of M&M's, a quality control manager picked at random 20 M&M packages, each with 300 M&M's in them. The manager computed the proportion of green M&M's across all these packages as 0.15. What ..
A maintenance group aims to improve the effectiveness : A maintenance group aims to improve the effectiveness of its repair work. The group therefore monitors the number of maintenance requests that require a second visit to complete the repair. On any given week the maintenance group responds to 20..
Discuss the relationship between the sum of the probabilitie : Discuss the relationship between the sum of the probabilities in a probability distribution and the total area represented by the bars in a probability histogram
Relative humidity is cooled at constant pressure : A system consisting initially of 0.5 m3 of air at 35°C, 1 bar, and 70% relative humidity is cooled at constant pressure to 29°C. Determine the work and heat transfer for the process, each in kJ.
Find the speed of the plane in still air : A plane flies 540 miles for 2 hours in the direction of the wind. Then it turns around and flies 690 miles for 3 hours against the same wind. Find the speed of the plane in still air and the wind speed.
Ratio of turbulent to laminar heat transfer coefficients : Water at a local bulk temperature of 24°C flows at 0.8 m/s through a smooth, 1.5-cm-ID tube that is kept at 30°C and the flow is fully developed. The system is extremely clean and quiet, and the flow stays laminar until a noisy air compressor is turn..
Discuss how that is relates yo order of operation : Describe what night happen if the steps were not followed un The proper order when making a peanut butter and jelly sándwich after tour escenario discuss how that is relates yo order of operation
Determine the specific volumes of both inlet and outlet : An adiabatic gas turbine expands air at 1300 kPa and 500 °C to 100 kPa and 127 °C. Air enters the turbine through a 0.2 m2 opening with an average velocity of 40 m/s, and exhausts through a 1 m2 opening. Determine the specific volumes of both inlet a..
Water at a local bulk temperature : Water at a local bulk temperature of 10o C flows through a 3-cm-ID pipe at 1 m/s. The pipe walls are kept at 70o C and the flow is fully developed. Evaluate h and the local value of / b dT dx . The relative roughness of the pipe is 0.001.

Reviews

Write a Review

Mathematics Questions & Answers

  Compute the mean and standard deviation of the information

Compute the mean and standard deviation of the information

  How many games must he sell each month

A retailer knows that n games can be sold in a month if the price is 30-.3x dollars per game. If he buys each game for $6, and if he wishes to make a profit of at least $450 per month on sales of this game, how many games must he sell each month?

  Linear algebra-linear mapping

Consider the following linear mapping from C[-pi,pi] into itself: L(f)=integral from -pi to pi of G(x),h(y),f(y)dy for any function f(x) in C[-pi,pi].

  Find the fishers information in each

suppose we first generate a random variable U from a uniform distribution on the interval(0,1).then we define a transformation x=(1-U)^-1/theta where theta>0. next suppose that x1,x2,x3,...are a random variables having the same distribution x.what..

  An airplane is flying at an altitude of 50 000 ft if the

an airplane is flying at an altitude of 50 000 ft. if the radius of the earth is about 4 000 miles find the distance

  Convert from base 10 to base 2.

Convert from base 10 to base 2.

  Each pound of sewage cost sweet smell 5 cents and each

the sweet smell fertilizer company markets bags of manure labeled exactly 60 lb dry weight . the packaged manure is a

  Estimate the maximum possible error in the computed product

Four positive numbers, each less than 90, are rounded to the first decimal place and then multiplied together. Use differentials to estimate the maximum possible error in the computed product that might result from the rounding.

  For what numbers of check per month will the acu-checking

the hudson bank offers two checking-accont plans. their anywhere plan charges $.20 per check whereas their acu-checking plan cost $2 per month plus $0.12 per check. for what numbers of check per month will the acu-checking plan cosl less?

  Use the fundamental principle of fractions

Use the distributive property to remove parentheses and simplify the expression.

  What is the percentile of the standard normal distribution

Answer the following questions about the standard normal random variable Z. (Use 4 decimal places in your answers to parts a. through, What is the 97.5th percentile of the standard normal distribution?

  Calculate the sampling error to within the average length

Calculate the sampling error to within the average length of time was estimated.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd