This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A locomotive is pulling 9 freight cars, each of which is loaded with the same weight. The mass of ... (Read 53 times)

RODY.ELKHALIL

  • Hero Member
  • *****
  • Posts: 591
on: Jul 29, 2018
A locomotive is pulling 9 freight cars, each of which is loaded with the same weight. The mass of each loaded car is 37000kg and we can neglect friction on these 9 cars. If the train is accelerating forward at 0.
 
  81m/s2 on a level track, what is the tension in the coupling between the second and third cars? (The car nearest the locomotive is counted as the first car.)

Question 2

Which of the following is not a wave?
 
  A) light
  B) water flowing down a river
  C) ripples on the surface of a pond
  D) All of these are waves.
  E) None of these are waves.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

AISCAMPING

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 29, 2018
Answer to Question 1

210,000 N

Answer to Question 2

B


RODY.ELKHALIL

  • Member
  • Posts: 591
Reply 2 on: Jul 29, 2018
Gracias!

Mochi

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Height and weight table Height and weight table
Sample Exercise Prescription for Weight Training: Intermediate Sample Exercise Prescription for Weight Training: Intermediate
Charting Progress: Weekly Weight Loss Log Charting Progress: Weekly Weight Loss Log
A capless system from a Ford Flex does not use a replaceable cap and instead is spring-loaded ... A capless system from a Ford Flex does not use a replaceable cap and instead is spring-loaded ...
Pulling the pinna to straighten the canal Pulling the pinna to straighten the canal
Mass Wasting Triggers Mass Wasting Triggers
Video: Chloroplast Structure & Light Dependent Reactions (Photosystem 1 and 2 Cyclic Electron Flow)

For a complete list of videos, visit our video library