« previous next »

Author Question: An object initially at rest suddenly explodes in two fragments of masses and that move in opposite ... (Read 61 times)

vicky

  • Hero Member
  • *****
  • Posts: 586
on: Jul 29, 2018
An object initially at rest suddenly explodes in two fragments of masses and that move in opposite directions. If the speed of the first fragment is find the internal energy of the explosion.
 
  A) 38 J B) 30 kJ C) 30 J D) 38 kJ

Question 2

In pair creation,
 
  A) matter is conserved but energy is created.
  B) two oppositely-flavored pizzas are created.
  C) matter and energy are both conserved.
  D) matter and energy are both created.
  E) matter is created but energy is conserved.


randomguy133

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Allow tissues to rest after myofascial applications. Allow tissues to rest after myofascial applications.
Circular friction around the ankle with the fingertips. Applying pressure with the fingertips, move ... Circular friction around the ankle with the fingertips. Applying pressure with the fingertips, move ...
Cradle the head to finish. Rest the head on the table. Place your fingers on the sides of the head ... Cradle the head to finish. Rest the head on the table. Place your fingers on the sides of the head ...
Lift sides of waist with deep effleurage strokes from the side. Move to opposite side and reach over ... Lift sides of waist with deep effleurage strokes from the side. Move to opposite side and reach over ...
Position the forearm for ice massage of the tendons around the elbow. Rest the forearm comfortably ... Position the forearm for ice massage of the tendons around the elbow. Rest the forearm comfortably ...
An agarose gel containing separated DNA fragments stained with the DNA-binding dye An agarose gel containing separated DNA fragments stained with the DNA-binding dye
Video: Brain Lobes Animation

For a complete list of videos, visit our video library