Find average speed for journey

Assignment Help Physics
Reference no: EM1390231

A boy goes to market with a average speed of 29 km/h.He returns back half the way he went with a average speed of 40 km/h. Find average speed for whole journey.

Reference no: EM1390231

Questions Cloud

Determine relative frequency histogram : Graph a relative frequency histogram for the 500 measurements summarized in the accompanying relative frequency table.
National survey of student engagement surveys : The National Survey of Student Engagement (NSSE) surveys freshmen and seniors about their level of engagement in campus and classroom activities that enhance learning.
Finding reactive oxygen species : Reactive oxygen species are unstable, or reactive, compounds that result from partial reduction of oxygen. Reactive oxygen species can cause damage to molecules, including membrane lipids and nucleic acids.
Number of miles from residence to work : Create a histogram for the following data of the number of miles from residence to place of employment for 30 randomly selected residents of Middletown County.
Find average speed for journey : boy goes to market with a average speed of 29 km/h.He returns back half the way he went with a average speed of 40 km/h. Find average speed for whole journey.
Determining the atp yield for each process : The complete oxidation of one glucose molecule yields thirty or more ATP. Glucose catabolism includes glycolysis, pyruvate oxidation, and the citric acid cycle.
What is the chocolate raw material safety stock : What is the chocolate raw material safety stock Christian needs to hold? What is the expected inventory level for the chocolate raw material?
Determine control chart - range : A new industrial oven has just been installed at the Piatt Bakery. To develop experience regarding the oven temperature, an inspector reads the temperature at four different places inside the oven each half hour.
Standard deviation and coefficient of variation : Compute the range, variance, standard deviation, and coefficient of variation. Compute the Z scores. Are there any outliers?

Reviews

Write a Review

Physics Questions & Answers

  How far does the car move in that time

Mary is driving her car at 48 km/h. She approaches an intersection just as the traffic light turns yellow. The yellow light lasts only 3.0 s before turning to red, and she is 30 m away from the near side of the intersection.

  What is the net charge of all the electrons

Water has a mass per mole of 18g/mol, and each water molecule (H2O) has 10 electrons.

  Calculate the work done on a charge q

calculate the work done on a charge Q. If an automobile rounds this curve at 30 {rm m/s}, what is the least  coefficient of static friction between tires and road needed to prevent skidding.

  What minimum vertical distance upward must the top speaker

Two loudspeakers are placed above and below each other and driven by the same source at a frequency of 4.50x10^2 Hz. An observer is in front of the speakers (to the right) at point O.

  What is the kinetic energy of a carbon atom

A small boat is moving at a velocity of 3.35 m/s while it is accelerated by a river current perpendicular to the initial direction of motion. If current acceleration is 0.750 m/s^2, what will the new velocity of the boat be after 33.5 s.

  Find out the lengths of acceleration and deceleration phases

Find out the lengths of acceleration and deceleration phases

  How much power would be produced by falls

A car starts from rest at a stop sign. It accelerates at 4 for 6.4, coasts for 1.5, and then slows down at a rate of 3.5 for next stop sign. How far apart are the stop signs.

  What is the acceleration experienced by the tip

A thin metallic shell of radius 40 cm has a charge of -25 nC on it. At the center of sphere is a point charge of 35 nC. What is the electric field 15 cm from the center of the shell.

  Determine the rotation rate

Compare these two ratings by determining the ratio of energy.

  Find the magnitude of the resultant

plan a vector to represent each of the two teams. find the magnitude of the resultant.

  What is the change in frequency

asssume that in a particular vacuum tube the potential of the anode is 340 V higher than that of the cathode. If an electron leaves the surface of the cathode with zero initial speed, what is its speed when it strikes the anode.

  How far the fulcrum should an effort of 200 n be applied

A 400 kg car sits 2 m to the right of a fulcrum assume car is on a weightless rod, how far to the left of the fulcrum should an effort of 200 N be applied to keep the system in quilibrium.

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