What must average speed of the car be during the last min

Assignment Help Civil Engineering
Reference no: EM13306499

During the first 18 minutes of a 1 hour trip, a car has an average speed of 11 m/s. What must the average speed of the car be during the last 42 minutes of the trip to be if the car is to have an average of 21 m/s for the entire trip?

Reference no: EM13306499

Questions Cloud

Compute the coefficient of volume expansion of the liquid : A flask is filled with 1.58 L (L = liter) of a liquid at 100 °C. When the liquid is cooled to 13.3 °C, What is the coefficient of volume expansion of the liquid
Write a program that creates two vectors from x-one : write a program that creates two vectors from x-one (call it P) that contains the positive elements of x, and a second (call it N) that contains the negative elements of x. In both P and N, the elements are in the same order as in x.
Determne the angular velocity at the instint theta : When theta=0 degrees , the assembly is held at rest, and the torsional spring is untwisted. If the assembly is released and falls downward, determne the angular velocity at the instint theta=90.
Find the change in the period of the heated pendulum : A simple pendulum consists of a ball connected to one end of a thin brass wire. find the change in the period of the heated pendulum
What must average speed of the car be during the last min : During the first 18 minutes of a 1 hour trip, a car has an average speed of 11 m/s. What must the average speed of the car be during the last 42 minutes of the trip to be if the car is to have an average of 21 m/s for the entire trip
Determine the angular acceleration of this turntablr : When the power is turned off on a turntable spinning at 67.0 rpm, you find that it takes 13.0 revolutions for it to stop while slowing down at a uniform rate. What is the angular acceleration (in rad/s^2), of this turntable
Determine the maximum bending stress on the outside surface : A concentrated moment is applied to the free end. Determine the maximum bending stress on the outside surface of the cylinder and the maximum bending stress on the inside surface of the cylinder.
Determine how far apart must two diameter tanks be placed : How far apart must two 18 , diameter tanks be placed such that their stress overlap is not greaer than 10% of the contact stress at depths of 10, 20, and 30 m
Determine how much energy does it deliver into a home : A heat pump has a coefficient of performance of 3.85 and operates with a power consumption of 6.88 x 103 W. How much energy does it deliver into a home during 2 h of continuous operation

Reviews

Write a Review

Civil Engineering Questions & Answers

  Calculate the distance d from the center of the earth

Calculate the distance d from the center of the earth at which the force on a particle from the moon is equal to 1.49 times the force on the particle from the earth. The particle is restricted to the line through the center of the earth and the mo..

  What was the ph of the soft drink before bottle was opened

You open a 16 oz (1 pint) bottle of a carbonated soft drink that has a temperature of 5°C, then you get distracted and forget to drink it. You come back quite some time later and find that it has gone "flat," and that it has gotten warm (20°C).

  Equal-tangent crest vertical curve

An equal-tangent crest vertical curve is designed with a PVI at station 110+00 and a PVC at station 107+43.3. if the high point is station 110+75.5 what is the design speed of he curve?

  Purposes of assessing an economys growth performance

For the purposes of assessing an economy's growth performance, which is the more important statistic, real GDP or nominal GDP? Why?

  How to solve for the deficit concentration as function of x

Develop the mass balance equation and solve for the deficit concentration as a function of x, u, Lo, Do, ka, kd,and ks in the stream. Lo ans Do are the initial concentrations of BOD and DO deficit in the stream at x

  What is the maximum positive coordinate reached by particle

The position of a particle moving along an x axis is given by x = 17t2 - 5.0t3, where x is in meters and t is in seconds. (a) Determine the position, velocity, and acceleration of the particle at t = 3.0 s. x = m v = m/s a = m/s2

  Transportation and management

In the construction management, there is a lot of procurement route that are necessary and suitable for the construction industry.

  Determine the head loss for the clean filter bed

The rapid sand filter being designed for Laramie has the characteristics show below. Determine the head loss for the clean filter bed in a stratified condition. Depth = 0.75 m

  Seepage velocity and estimating hydraulic gradient

The dye appears 14 days later in an observation well 75 ft away from the injection point. Compute the seepage velocity and estimate the hydraulic gradient in the aquifer if the porosity of the soil is 42%.

  Define data mining confusion matrix

Suppose that you issued a query against a search engine and the search engine retrieved 125 documents. Suppose that there are total, Define Data mining confusion matrix

  Determine what is the overflow rate of each tank

two sedimentation tanks operate in parallel. The combined flow to the two tanks is .1 m^3/s. the depth of each tank is 2 m and each has a detention time of 4 h.

  What is bulk modulus of a liquid that has a density increase

What is the bulk modulus of a liquid that has a density increase of 0.02 percent for a pressure increase of 1000 lb/ft^2

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