Evaluate the speed of the three coupled cars after collision

Assignment Help Physics
Reference no: EM13667142

A railroad car of mass 2.3 x 104 kilogram moving at 4.00 m/s collides and couples with two coupled railroad cars, each of the similar mass as the single car and moving in the similar direction at 1.20 m/s.

(a) Estimate the speed of the three coupled cars after the collision?

m/s

(b) Estimate how much kinetic energy is lost in the collision?

J

Reference no: EM13667142

Questions Cloud

Did the temperature of the gas increase or decrease : A system of ideal gas is expanded adiabatically to1.76 times its volume, while doing 517 J of work. Did the temperature of the gas increase or decrease? How much heat was transferred? Did the temperature of the gas increase or decrease?
Compute what is the lamp mass : A light lamp hangs vertically from a cord in a descending elevator that decelerates at 2.4 m/s2. If the tension in the cord is 94 Newton, compute what is the lamp mass
What is the amplitude of the subsequent oscillations : A 1.5 kg block is attached to a spring by spring constant 16 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 40 cm/s. What is the amplitude of the subsequent oscillations? What i..
Determine the work done by the kinetic frictional force : A 62.1 kilogram skier coasts up a snow-covered hill that creates an angle of 23.1 degree with the horizontal. Find the work done by the kinetic frictional force that acts on the skier
Evaluate the speed of the three coupled cars after collision : A railroad car of mass 2.3 x 104 kilogram moving at 4.00 m/s collides and couples with two coupled railroad cars, Estimate the speed of the three coupled cars after the collision
Find the percentage of initial kinetic energy transferred : A 5.00 gram object moving to the right at +20.0 cm/s makes an elastic head-on collision with a 10.0 gram object that is initially at rest. Determine the percentage of the initial kinetic energy transferred to the 10.0 gram object
Evaluate the average power generated by the lifting force : A helicopter, starting from rest, accelerates straight up from the roof of a hospital. Compute the average power generated by the lifting force
A quality control analyst measures the number of hours : A quality control analyst measures the number of hours a patient in a low-risk condition waits for care at the emergency room of a small hospital. The following data are obtained for 20 patients.
A major razor blade manufacturer advertises : A major razor blade manufacturer advertises

Reviews

Write a Review

Physics Questions & Answers

  Compute its average velocity for the entire trip

A small glass bead has been charged to + 10nC. A metal ball bearing 1.90cm above the bead feels a 1.20×10-2 N downward electric force. What is the charge on ball bearing.

  How many horsepower is the engine producing

My car engine can deliver a maximum of 112 ft-lbf of torque when running at 3450 rpm. How many horsepower is the engine producing at this same time

  A solenoid is 15 m long and has 470 turns per meter what is

a solenoid is 1.5 m long and has 470 turns per meter. what is the cross sectional area of this solenoid if it stores

  Determine what focal length corrective lens

the near point of a given individual's eyes is 55cm. what focal length corrective lens should be prescribed so that an object can be clearly seen when placed at 25cm in front of the eye

  Evaluate the resistivity of the wire

When a potential difference of 12 V is applied to a wire 6.2 m long and 0.24 mm in diameter the result is an electric current of 2.1 A. What is the resistivity of the wire

  Once more to try to capture the elusive road runner

The determined Wile E. Coyote is out once more to try to capture the elusive road runner. The coyote wears a new pair of Acme power roller skates, which provide a constant horizontal acceleration of 15 m/s^2.

  If you look at yourself in shiny christmas tree ball with

if you look at yourself in shiny christmas tree ball with a diameter of 9.0 cm when you face is 30.0cm away from it

  How much is the stand compressed by the statue

A 3440 kg statue is supported by a glass stand. The cross-section of the stand is square, 0.15 m to a side. Before the statue was placed on the stand, How much is the stand compressed by the statue

  What is the speed of the blood flow

the flow rate of blood through a 2.10x10^-6 m radius capillary is 4.07x10^-9 cm^3/s. what is the speed of the blood flow

  What is the work done by the piston

A gas containing 9 moles is compressed adiabatically from an initial temperature of 288 K to a final temperature of 463 K, what is the work done by the piston

  Minimum speed the electron could have after the collision

The allowed energies of a simple atom are 0.0 eV, 5.0 eV and 8.0 eV. An electron traveling at a speed of 1.8×10^6 m/s collisionally excites the atom. What is the minimum speed the electron could have after the collision? What is the minimum speed t..

  Final temperature after the system has equilibrated

A 0.6 kg block of Aluminum at 80 Celsius and a 0. 3 kg block ofcopper at 70 Celsius are placed inside 1.2 liters of water at 20Celsius. The system is thermally isolated. What is the final temperature after the system has equilibrated?

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