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

Author Question: A 2-kg car moving towards the right at 4 m/s collides head on with an 8 kg car moving towards the ... (Read 15 times)

Cooldude101

  • Hero Member
  • *****
  • Posts: 557
on: Jul 29, 2018
A 2-kg car moving towards the right at 4 m/s collides head on with an 8 kg car moving towards the left at 2 m/s, and they stick together. After the collision, the velocity of the combined bodies is __________ m/s pointing __________.
 Fill in the blank(s) with correct word

Question 2

Consider a situation where you carry a 20-N box up a flight of stairs, raising its elevation by 5 m.After the dropped box hits the floor, its kinetic energy is converted into ____________.
 Fill in the blank(s) with correct word


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Anna

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 29, 2018
Answer to Question 1

0.8, towards the left

Answer to Question 2

internal energy


Cooldude101

  • Member
  • Posts: 557
Reply 2 on: Jul 29, 2018
Wow, this really help

Zebsrer

  • Member
  • Posts: 284
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

head head
Muscles of Head and Neck Back Muscles of Head and Neck Back
Frog head muscle (labeled) Frog head muscle (labeled)
Stretch anterior tissues by pressing down on shoulders. Stand at the head of the table. Place the ... Stretch anterior tissues by pressing down on shoulders. Stand at the head of the table. Place the ...
Gently squeeze along the length of the arm with both hands, moving down the arm from shoulder to ... Gently squeeze along the length of the arm with both hands, moving down the arm from shoulder to ...
Locations of key energy meridians and acupoints for the back, shoulder, arm, neck, head, and face. Locations of key energy meridians and acupoints for the back, shoulder, arm, neck, head, and face.
Video: Interview with Person who has Panic Attacks

For a complete list of videos, visit our video library