How much mechanical energy is lost in the collision

Assignment Help Physics
Reference no: EM131694545

A railroad car of mass 2.46  104 kg is moving with a speed of 4.12 m/s. It collides and couples with three other coupled railroad cars, each of the same mass as the single car and moving in the same direction with an initial speed of 2.06 m/s.

(a) What is the speed of the four cars after the collision? (Round your answer to at least two decimal places.) 

m/s

(b) How much mechanical energy is lost in the collision? 

J

Reference no: EM131694545

Questions Cloud

Standard enthalpy change of combustion : The standard enthalpy change of combustion [ to CO2(g) and H2O(l)] at 25 degree celcius of the organic solid 1-naphthoic acid, C11H8O2(s)
Explain how to effectively use social media : Describe with your classmates your opinion on how to effectively use social media, while in the midst of a crisis.
Concentration of malononitrile in the ether layer : Side note: In part (a), for the first of the three extractions, the concentration of malononitrile in the ether layer is x/100 and in the water layer
What is the charge of ions formed from atoms of ca : What is the charge of ions formed from atoms of Ca? What is the charge of ions formed from atoms of P?
How much mechanical energy is lost in the collision : It collides and couples with three other coupled railroad cars, each of the same mass as the single car and moving in the same direction with an initial speed.
What is the point of the example that siegel writes : What is the point of the example that Siegel writes about in paragraph 2? Why do you suppose that he develops it in detail and includes it early in the essay?
What is financial technology : 1. What is Financial Technology (FinTech)? 2. Give two FinTech applications in our daily life with brief description.
Explain the unilytics about five most influential bi trends : There is an article published on Unilytics about five most influential BI trends for 2017 (Karen, 2017). One of idea I would like to share is self-service BI.
Identify three premises from the procon website : Identify three premises (reasons) from the Procon website that support your position and explain why you selected these specific reasons.

Reviews

Write a Review

Physics Questions & Answers

  The space shuttle takes off from cape canaveral in florida

the space shuttle takes off from cape canaveral in florida and orbits earth 17 times before landing back at cape

  Find the apparent depth of the bubble

A glass sphere (n = 1.50) with a radius of 10.0 centimeter has a tiny air bubble placed 3.00 centimeter above its center. Find the apparent depth of the bubble below the surface of the sphere

  What is the speed of the stone as the spring breaks

A certain spring can withstand a maximum tension of 9.0 lbwithout breaking. What is the speed of the stone as the spring breaks

  What is the maximum speed of a point on the string

A wave on a string is described by D(x,t)=(2.00cm)sin[(12.57rad/m)x?(638rad/s)t],where x is in m and t is in s. The linear density of the string is 5.00g/m, What is the maximum speed of a point on the string

  What is the focal length of the lens

An object with a height of 4.0 cm is placed 30.0 cm from a lens. The resulting inverted image has a height of 1.5 cm. What is the focal length of the lens

  If the contact force is removed what magnitude and

a 3 kg mass is subjected ti multiple forces and remains motionless. the gravitational force pulls the mass downward. a

  What is the relative velocity of the spaceships

The distance to the farthest star in our galaxy is of the order of 10 5 light years. Explain why it is possible, in principle, for a human being to travel to this star within his lifetime, and estimate the required velocity.

  By what factor does the vans speed change

A van with a mass m(v) moves along a frictionless road at v0 m/s when some heavy luggage is added to the top that weighs m(l) onto the roof

  How long would it take to reach the desired spin rate

A space station is constructed in the shape of a wheel 25 in diameter, with essentially all of its 5.10×10^5 mass at the rim.

  Determine what is the moment of inertia of the fan

An electric fan spinning with an angular speed of 16 rad/s has a kinetic energy of 3.9 J. What is the moment of inertia of the fan

  Calculate the change in potential energy

Calculate the change in potential energy of a 92.8 kg man when he takes an elevator from the first floor to 29th floor, if the distance between floors is 4.41 m.

  Find the amount of time it takes for the target mass m 1kg

an accelerators beam is e 100mev protons that hit target that is made of iron. find the amount of time it takes for

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