Find how much kinetic energy is lost in the collision

Assignment Help Physics
Reference no: EM13327366

A railroad car of mass 2.4 104 kg moving at 4.00 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.20 m/s.

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

m/s

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

J

Reference no: EM13327366

Questions Cloud

Determine n credited at an effective annual rate : The second option requires her to make a single payment of $10,000 at the end of N years. Interest is credited at an effective annual rate of 13%. Determine N.
Find the direction of the velocity of the red glider : On a frictionless air track, a blue glider with mass 0.200 kg is moving to the right with a speed of 8.00 m/s. What are the magnitude and direction of the velocity of the red glider after the collision
Use radio buttons with a shared event procedure : Array of a structure. Create a project that will allow a user to look up state names and their two-letter abbreviations. The user will have the options to Look up the Abbreviation or Look up the State Name.
Calculate t if the force of interest is delta given : Using the method of equated time, a payment of 100 at time t = 1 plus a payment of X at time t = 10 is equivalent to a payment of 100 + X at time t = 4. The above two payments of 100 and X are equivalent to a payment of 100 + X at time t
Find how much kinetic energy is lost in the collision : A railroad car of mass 2.4 104 kg moving at 4.00 m/s collides and couples with two coupled railroad cars, How much kinetic energy is lost in the collision
Estimate mary taxable income-tax liability and tax refund : Mary Watson is 24 years old and single, lives in an apartment, and has no dependents. Last year she earned $45,000 as a sales assistant for Focused Business Analytics: $3,910 of her wages was withheld for federal income taxes.
Acceptance of the special order affect net income : Method of evaluating financial data that change under different courses of action - how would the acceptance of the special order affect net income?
What suppliers have sold more than 10000 euros : Define main key and foreign key. Represent graphically the relational data base, with its tables and connections of foreign keys. Follow this rule: 1:N connections is represented table with just one line above and table with multiple lines below.
Determine what are earnings and dividends per share : That Wich Corp. had additions to retained earnings for the year just ended of $328,000. The firm paid out $176,000 in cash dividends, and it has ending total equity of $4.81 million.

Reviews

Write a Review

Physics Questions & Answers

  Determine the volume rate of flow

A 5.6cm diameter horizontal pipe gradually narrows to 4.6cm . When water flows through this pipe at a certain rate, What is the volume rate of flow

  What is the angular velocity of the wheel

The wheel weighs 70 kg, and is 120 cm in diameter. you mount the wheel by its central axis, What is the angular velocity of the wheel at the end of the fall

  Find the weight of air in the room

an auditorium measures 40.0m X20.0 m X 12.0 m. The density of air is 1.20 kg/m^3. find the weight of air in the room

  Calculate the reynolds number

If water at 15°C is flowing through a 3cm diameter pipe with a velocity of 50 cm-1, calculate the Reynolds number. Is the flow turbulent or laminar?

  Illustrate what is most likely defence that he or she may

If a plaintiff voluntarily enters into or participates into a risk activity that results in injury, illustrate what is the most likely defence that he or she may use to a defendant's claim that the plaintiff supposed the risk?

  Prepare a multiple-step income statement for the year

Prepare a multiple-step income statement for the year ended December 31, 2012, concluding with earnings per share.

  How tall is the tower

A man enters a tall tower, needing to know its height. He notes that a long pendulum extends from the ceiling almost to the floor, How tall is the tower

  Find out the maximum speed of the object

A 362 g object is attached to a spring and executes simple harmonic motion with the period of 0.200 s. If the total energy of the system is 6.71 J.

  How many full cases of water can you carry on the cart

You are a delivery person for the Fresh Aqua Spring Water Company. Your truck carries 3 pallets. How many full cases of water can you carry on the cart

  Find the oxygen concentration at interior end of the tube

Insects do not have lungs as we do, nor do they breathe through their mouths. Instead, they have a system of tiny tubes, called tracheae, find the oxygen concentration at the interior end of the tube

  What is the force of gravity between two cars

Expand Lagrangian to second order about equilibrium coordinates, r_0, phi = wt and find the condition for stability against small oscillations.

  Find average induced emf in the wire

A four-turn circular wire coil of radius 0.565 m lies in a plane perpendicular to a uniform magnetic field of magnitude 0.340 T. what is the average induced emf in the wire during this time

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