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 39 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
YES! Correct, THANKS for helping me on my review

deja

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Electroencephalography (EEG). To perform the EEG, electrodes attached to the patient’s head pick up Electroencephalography (EEG). To perform the EEG, electrodes attached to the patient’s head pick up
Muscles of Head and Neck Back Muscles of Head and Neck Back
neck, head and brain neck, head and brain
head head
Apply effleurage to both sides of the upper trapezius using loose fists. When moving laterally, ... Apply effleurage to both sides of the upper trapezius using loose fists. When moving laterally, ...
Channel Changes from Head to Mouth Channel Changes from Head to Mouth
Video: Normal and abnormal blood pH

For a complete list of videos, visit our video library