What is the average speed over the entire trip

Assignment Help Physics
Reference no: EM13105096

A person walks first at a constant speed of 4.80 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 3.30 m/s. What is her average speed over the entire trip?

Reference no: EM13105096

Questions Cloud

Describe what methods are open to price products : Describe what methods are open to you to price products and factors which you must take into account in deciding on these prices.
With what speed does the car then strike the tree : The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration of -5.20 m/s2 for 4.05 s, making straight skid marks 61.0 m long, all the way to the tree. With what speed does the car then s..
Large sample confidence interval for population mean : A random sample of 56 fluorescent light bubs has a mean life of 645 hours with a standard deviation of 31 hours.
Selling of averaged department store : An averaged department store sells 350 mens suits per year. The mens suit departments at a particular national chain of stores claim they sell more than the industry average.
What is the average speed over the entire trip : A person walks first at a constant speed of 4.80 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 3.30 m/s. What is her average speed over the entire trip?
Describe why company want to adopt erp : Adopting an ERP (Enterprise Resource Planning) system is a key business as well as a technology decision. Why would a company want to adopt ERP?
Find the voltage drop from cathode to anode : An electron in an oscilloscope is accelerated as a result of the potential difference between the cathode and anode. The electron has negligible initial speed and a final speed of 2.40 107 m/s. Find the voltage drop from cathode to anode.
Properties present in order to use binomial distribution : What are the four properties that must be present in order to use binomial distribution? What are four properties that must be present in order to use the Poisson distribution?
Find the potential at a point on the axis of the tube : A cardboard tube of radius R and length L has a uniform charge density  on its surface. Find the potential at a point on the axis of the tube at a distance d from the center.

Reviews

Write a Review

 

Physics Questions & Answers

  Find out the initial velocity of the ejected material

The first active volcano observed outside the Earth was discovered in 1979 on Io, one of the moons of Jupiter. Assume a volcano on another moon is observed to be ejecting material to a height of about 2.19 x10^5 m.

  What is the temperature t of the concordes skin in flight

What is the temperature T of the Concorde's skin in flight?

  How many wavelengths are there in one pulse

How many wavelengths are there in one pulse

  How much work is done

a loaded cart has a total mass of 227kg.if a 312n force acting at an angle of 30degree to the ground is applied. how much work is done in moving the cart 15meters?

  Momentum of the electron to momentum of the photon

A disc of mass M and radius R is rolling purely without slipping with velocity V on a flat horizontal floor. When it hits a step in the floor of height R/2.what is the velocity of the center of mass of the disc just after impact.

  What is the sound intensity level

What velocity would a proton need to circle Earth 1400 km above the magnetic equator, where Earth's magnetic field is directed horizontally north and has a magnitude of 4 x10-8 T .

  How far does the object compress the spring

A 10 cm long thin glass rod is uniformly charged to +50 nC. A small plastic bead, charged to - 4.8 nC, is 4.2 cm from the center of the rod. What is the magnitude of the force of the bead.

  Find out the density of the object

An object weighs 277 N in the air. When tied to a string, connected to a balance, and immersed in water, it weighs 221 N. When it is immersed in oil, it weighs 257 N.

  State whether the image is upright or inverted

The lens and mirror are separated by d = 1.00 m and have focal lengths of +80 cm and -50 cm, respectively. An object is placed p = 1.00 m to the left of the lens as shown.

  How many times magnitude of the momentum of the chimpanzee

The bullet becomes embedded in the block. if the coefficient of kinetic friction between the block and surface is .65 what was the speed of the bullet at once before impact.

  Where would a third positive charge of the same magnitude

A curve with a 140 radius on a level road is banked at the correct angle for a speed of 20 . If an automobile rounds this curve at 30 , what is the minimum coefficient of static friction between tires and road needed to prevent skidding.

  What would be the maximum compression of the spring

A bomb is dropped from an airplane in level flight at a speed of 970 km/h. The altitude of the aircraft is 2000 m. At what horizontal distance from the initial position of the aircraft will the bomb land.

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