What is the speed of the three coupled cars after collision

Reference no: EM13668640

A railroad car of mass 3.5*10⁴ kg moving at 3.50 m/s collides and couples by two coupled railroad cars, each of the same mass as the single car and moving in the similar direction at 1.20 m/s.

a) How much kinetic energy is lost in the collision?

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

Reference no: EM13668640

Questions Cloud

What is the actual diameter of the red blood cell : A microscope has an objective lens by a focal length of 16.22 mm and an eyepiece by a focal length of 9.50 mm. With the length of the barrel set at 30.0 cm, the diameter of a red blood cells image subtends an angle of 1.43 m rad with the eye.

What angular magnification is achieved : A biology student utilizes a simple magnifier to examine the structural features of the wing of an insect. The wing is held 3.75 cm in front of the lens, and the image is formed 26.0 cm from the eye. What is the focal length of the lens?

Discover the initial speed of the bullet : A 7.0-g bullet is fired into a 1.5-kg ballistic pendulum. The bullet emerges from the block with a speed of 200m/s, and the block rises to a maximum height of 10.7 cm. discover the initial speed of the bullet.

Determine how far from the base of cliff does the car land : A stunt person drives a car at a speed of 20 m/s off a 30 meter high cliff. The road leading to the cliff is inclined upward at an angle of 20 degree. Determine how far from the base of cliff does the car land

What is the speed of the three coupled cars after collision : A railroad car of mass 3.5*104 kg moving at 3.50 m/s collides and couples by two coupled railroad cars, each of the same mass as the single car and moving in the similar direction at 1.20 m/s. How much kinetic energy is lost in the collision?

Determine how far did the particle travel : A particle that is moving in a straight line slows uniformly from 50.0 m/s to 20.0 m/s in 6 second. Determine how far did the particle travel during these 6 seconds

Evaluate the tension in the cable supporting the bucket : A crane lifts a 1500 kilogram bucket of concrete at a construction site, giving it an initial acceleration of 2.8 m/s2 upward. Evaluate the tension in the cable supporting the bucket

Rest on the top of a frictionless snow covered hill : Gayle runs at a speed of 4.65 m/s and dives on a sled, initially at rest on the top of a frictionless snow covered hill. After she has descended a vertical distance of5.00 m, her brother, who is initially at rest, hops on her back and together they c..

Determine your average speed for this trip : You drive for 30.0 min at 60.0 mph and then stop for 15.0 min. You then drive for 45.0 min at 40.0 mph. Determine your average speed for this trip

User Account

All Pages