« previous next »

Author Question: An empty coal-car (mass 20,000.kg) of a train coasts along at 10.m/s. An unfortunate 3000. kg ... (Read 11 times)

student77

  • Hero Member
  • *****
  • Posts: 567
on: Jul 27, 2018
An empty coal-car (mass 20,000.kg) of a train coasts along at 10.m/s. An unfortunate 3000. kg elephant falls from a bridge and drops vertically into the car. Determine the speed of the car immediately after the elephant is added to its contents.
 
  What will be an ideal response?

Question 2

At a depth of about 1030. m in the sea the pressure has increased by 100. atmospheres (to about 107 N/m2). By how much has 1 m3 of water been compressed by this pressure? The bulk modulus of water is 2.3  109 N/m2.
 
  What will be an ideal response?


ghepp

  • Sr. Member
  • ****
  • Posts: 361
Reply #1 on: Jul 27, 2018
Answer to Question 1

8.7 m/s

Answer to Question 2

0.0043 m3


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

The Mass-Luminosity Relation The Mass-Luminosity Relation
This five-wire mass air flow sensor consists of a metal foil sensing unit, an intake air temperature ... This five-wire mass air flow sensor consists of a metal foil sensing unit, an intake air temperature ...
Air-Mass Thunderstorms Air-Mass Thunderstorms
Mass spectrometry (MS) for Mass, Sequence, and Amino Acid Analyses of Purified Proteins Mass spectrometry (MS) for Mass, Sequence, and Amino Acid Analyses of Purified Proteins
The demand for cheap coal to generate electrical power is rising The demand for cheap coal to generate electrical power is rising
A 31.1-g sample of Ne gas exerts a certain pressure in a container of fixed volume. What mass ... A 31.1-g sample of Ne gas exerts a certain pressure in a container of fixed volume. What mass ...
Video: Subunits of DNA And Semi Conservative Replication

For a complete list of videos, visit our video library