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 29 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
Excellent

triiciiaa

  • Member
  • Posts: 349
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Binary Head-Tail Source Binary Head-Tail Source
Pablo Picasso, Study for Les Demoiselles d'Avignon: Head of the Squatting Demoiselle Pablo Picasso, Study for Les Demoiselles d'Avignon: Head of the Squatting Demoiselle
Endangerment sites of the head and face. Use only light to moderate pressure on head and face. Endangerment sites of the head and face. Use only light to moderate pressure on head and face.
Apply circular friction to the area of the head around the base of the ears. Apply circular friction to the area of the head around the base of the ears.
Apply circular friction to muscles on the head using moderate pressure to the frontalis and ... Apply circular friction to muscles on the head using moderate pressure to the frontalis and ...
Adjust drape for abdominal massage, and stand at the side of the table facing the head. Place hands ... Adjust drape for abdominal massage, and stand at the side of the table facing the head. Place hands ...
Video: Virtual Tour of the Eye Animation

For a complete list of videos, visit our video library