Question

A railroad car of mass 3.15 ✕ 104 kg moving at 3.10 m/s collides and couples...

A railroad car of mass 3.15 ✕ 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

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A railroad car of mass 2.50 ✕ 104 kg moving at 3.40 m/s collides and couples...
A railroad car of mass 2.50 ✕ 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 3.00 ? 104 kg moving at 3.00 m/s collides and couples...
A railroad car of mass 3.00 ? 104 kg moving at 3.00 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
A railroad car of mass 2.70 ✕ 104 kg moving at 3.50 m/s collides and couples...
A railroad car of mass 2.70 ✕ 104 kg moving at 3.50 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 2.55 ✕ 104 kg moving at 3.25 m/s collides and couples...
A railroad car of mass 2.55 ✕ 104 kg moving at 3.25 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 2.90 ? 104 kg moving at 3.05 m/s collides and couples...
A railroad car of mass 2.90 ? 104 kg moving at 3.05 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 2.41 104 kg is moving with a speed of 4.10 m/s....
A railroad car of mass 2.41 104 kg is moving with a speed of 4.10 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 2.05 m/s. (a) What is the speed of the four cars after the collision? (Round your answer to at least two decimal places.) (b) How much mechanical energy is lost in the collision?
A railroad car moving at a speed of 3.50 m/s overtakes, collides and couples with two...
A railroad car moving at a speed of 3.50 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 3.3x10^4 kg. (a) Determine the speed of the three coupled cars after the collision. (Give your answer to at least 2 decimal places.) m/s (b) Determine the kinetic energy lost in the collision. J
1. A railroad car of mass 2.40E+4 kg moving with a speed of 3.10 m/s collides...
1. A railroad car of mass 2.40E+4 kg moving with a speed of 3.10 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 1.00 m/s. a. What is the speed (in m/s) of the three coupled cars after the collision? b.How much kinetic energy (in J) is lost in the collision? 2.A ring (2 kg, r = 2 m) rotates in a...
A 1.38 × 104 kg railroad car moving at 7.64 m/s to the north collides with...
A 1.38 × 104 kg railroad car moving at 7.64 m/s to the north collides with and sticks to another railroad car of the same mass that is moving in the same direction at 1.94 m/s. What is the velocity of the joined cars after the collision?
A railroad car of mass 3.45 x 104 kg is traveling east at 5.50 m/s and...
A railroad car of mass 3.45 x 104 kg is traveling east at 5.50 m/s and collides with a railroad car of mass 4.21 x 104 kg traveling west 1.50 m/s. Find the velocity (in m/s) of the railroad cars that become coupled after the collision. Assume east is the positive direction
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT