What is the speed of four cars after the collision

Reference no: EM1388725

Q. A railroad car of mass 2.52 x10^4 kg, is moving with a speed of 3.94 m/s. It collides and couples with three other coupled railroad cars, each of the equal mass as the single car and moving in the equal direction with an initial speed of 1.97 m/s.

(a) what is the speed of four cars after the collision?

(b) How much energy is transformed into internal energy in the collision?

Reference no: EM1388725

Questions Cloud

True mean nicotine content of all cigarettes : We will select a random sample of 8 cigarettes and conduct a hypothesis test at the 10 % level of significance to determine whether the true mean nicotine content of all cigarettes differs from 8.4 mg.

Identify one real-world gss success stories : Please identify one real-world GSS success stories (e.g., from vendor Web sites or from reports/articles) and describe them. Explain how did GSS software and methods contribute to the success?

State as its members dealt with scheduling : Refer to Mattel. During the first two weeks of its existence, the Mattel team was in the __ state as its members dealt with scheduling and similar concerns? Reforming, forming, performing, forming or conforming?

Explain what is the change in frequency : At a factory, a noon whistle is sounding with a frequency of 480-Hz. As a car travelling at 79 km/h approaches the factory, the driver hears the whistle at frequency fi. After driving past the factory.

What is the speed of four cars after the collision : A railroad car of mass 2.52 x10^4 kg, is moving with a speed of 3.94 m/s. It collides and couples with three other coupled railroad cars, each of the equal mass as the single car and moving in the equal direction with an initial speed of 1.97 m/s.

Relationship between bananas-apples-vitamin c : A diet is being developed which must contain at least 100 mg of vitamin C. Two fruits are used in this diet. Bananas contain 30 mg of vitamin C and Apples contain 20 mg of vitamin C. The diet must contain at least 100 mg of vitamin C. Which of the..

Nominal risk premium on crash-n-burns stock was percent : Suppose the average inflation rate over this time period was 3.5 percent and the average T-bill rate over the period was 4.2 percent. The average real return on Crash-n-Burn's stock was percent and the average nominal risk premium on Crash-n-Burn'..

Human immunodeficiency and simian immunodeficiency virus : Researchers working on HIV and SIV vaccines found that an antibody to a particular epitope of SIV had a potent virus-neutralizing activity against numerous SIV.

Design program and incorporates sequential statements : Design the simple, working C++ program which uses the good design process and incorporates sequential, selection and repetitive programing statements and function.

User Account

All Pages