Question

A railroad car of mass 2.42 × 104 kg is moving with a speed of 3.84 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 of1.92 m/s.

A railroad car of mass 2.42 × 104 kg is moving with a speed of 3.84 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 of1.92 m/s.

(a) What is the speed of the four cars after the collision?
____ m/s

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


0 0
Add a comment Improve this question Transcribed image text
Know the answer?
Add Answer to:
A railroad car of mass 2.42 × 104 kg is moving with a speed of 3.84 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 of1.92 m/s.
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • A railroad car of mass 3.10 ✕ 104 kg moving at 3.40 m/s collides and couples...

    A railroad car of mass 3.10 ✕ 104 kg moving at 3.40 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? (b) How much kinetic energy is lost in the collision?

  • A railroad car of mass 3.15 ✕ 104 kg moving at 2.75 m/s collides and couples...

    A railroad car of mass 3.15 ✕ 104 kg moving at 2.75 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? (b) How much kinetic energy is lost in the collision?

  • A railroad car of mass 2.95 ✕ 104 kg moving at 3.10 m/s collides and couples...

    A railroad car of mass 2.95 ✕ 104 kg moving at 3.10 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

  • A railroad car of mass 3.25e4 kg is moving at 3.25 m/s collides and couples with...

    A railroad car of mass 3.25e4 kg is moving at 3.25 m/s collides and couples with two couples railroad cars, each of the same mass as the single car and moving in the same direction at 1.20m/s. A) what is the speed of the three coupled cars after the collision? B) how much kinetic energy is lost in the collision?

  • A railroad car of mass 1.85e4 kg moving at 3.14 m/s collides and couples with two coupled railroad cars, each of the sa...

    A railroad car of mass 1.85e4 kg moving at 3.14 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 1.24 m/s. b) How much kinetic energy is lost in the collision? USE THIS DATA: 17400 kg; 3.27 m/s; (help me see how you get the correct answer of 2.39e4 J. 16-4 A railroad car of mass 1.85e4 kg moving at 3.14 m/s collides and...

  • A railroad car of mass 2.30E+4 kg moving with a speed of 3.00 m/s collides and...

    A railroad car of mass 2.30E+4 kg moving with a speed of 3.00 m/s collides and couples with two other coupled railroad cars each of the same mass that are already moving in the same direction at a speed of 1.50 m/s. What is the speed (in m/s) of the three coupled cars after the collision? Tries 0/3 How much kinetic energy (in J) is lost in the collision? Tries 0/3

  • A railroad car moving at a speed of 3.41 m/s overtakes, collides, and couples with two...

    A railroad car moving at a speed of 3.41 m/s overtakes, collides, and couples with two coupled railroad cars moving in the same direction at 1.40 m/s. All cars have a mass of mass 1.07 x 105 kg. Determine the following. (a) speed of the three coupled cars after the collision (Give your answer to at least two decimal places.) m/s (b) kinetic energy lost in the collision Additional Materials E eBook

  • A railroad car of mass M moving at a speed v1 collides and couples with two...

    A railroad car of mass M moving at a speed v1 collides and couples with two coupled railroad cars, each of tesam mass M and moving in the same direction at a speed V2 (a) What is the speed vfof the three coupled cars after the collision in terms of v, and v2 11 +2 2 b) How much kinetic energy is lost in the collision? Answer in terms of M, v and v2 KE,-KE

  • A railroad car of mass 2.45* 10^4 kg is moving with a speed of 4.18 m/s....

    A railroad car of mass 2.45* 10^4 kg is moving with a speed of 4.18 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 2.09 m/s.

  • 4) A rail road car of mass 2.5 x 10 kg is moving with a speed...

    4) A rail road car of mass 2.5 x 10 kg is moving with a speed of 4 m/s. It collides and couples with three other coupled rail cars, each of the same mass as the single car and moving in the same direction with the initial speed of 2 m/s. a) What is the speed of the four cars after collision? b) How much mechanical energy is lost in this inelastic collision?

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT