Author Question: Momentum is conserved only when there is no friction. Indicate whether the statement is true or ... (Read 34 times)

Haya94

  • Hero Member
  • *****
  • Posts: 558
Momentum is conserved only when there is no friction.
  Indicate whether the statement is true or false

Question 2

The sequence of steps in which the four forces separated out from a single force after the Big Bang was:
 a. first the gravitational force separated from electroweak combined with strong; then electroweak and strong separated; then electroweak separated into weak and electromagnetic.
  b. first the electroweak force separated out; then gravitation separated out from strong; then electroweak separates into electromagnetic and weak.
  c. first the strong force separates; then electroweak separates out from gravitational; then electroweak separated into electromagnetic and weak.
  d. first electroweak force separated; then electroweak separated into electromagnetic and weak; then strong and gravitational separated.
  e. first gravitational force, electroweak, and strong forces separated into three; then electroweak separated into electromagnetic and weak.



TINA

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

F

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Haya94

  • Hero Member
  • *****
  • Posts: 558
Both answers were spot on, thank you once again



TINA

  • Sr. Member
  • ****
  • Posts: 336

 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

For a complete list of videos, visit our video library