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

Author Question: When a vertically falling firecracker bursts, the vector sum of momentum fragments A) in the ... (Read 91 times)

Metfan725

  • Hero Member
  • *****
  • Posts: 552
on: Jul 29, 2018
When a vertically falling firecracker bursts, the vector sum of momentum fragments
 
  A) in the horizontal direction cancels to zero.
  B) in the vertical direction equals the momentum of the firecracker before bursting.
  C) both of these
  D) neither of these

Question 2

A firecracker bursts while freely falling. The combined momentum of its fragments
 
  A) equals the momentum of the firecracker at the time of burst
  B) cancels to the firecracker's momentum at the time of bursting.
  C) cancels to zero.
  D) none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amcvicar

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A


Metfan725

  • Member
  • Posts: 552
Reply 2 on: Jul 29, 2018
Wow, this really help

abro1885

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Excellent

« previous next »
 

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.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

After excavation, recovered remains are screened to ensure that even tiny fragments are retrieved an After excavation, recovered remains are screened to ensure that even tiny fragments are retrieved an
Glen Hansard and Marketa Irglova - Falling Slowly Glen Hansard and Marketa Irglova - Falling Slowly
Pharmacology Vector Icon Pharmacology Vector Icon
Immunology Vector Icon Immunology Vector Icon
Textbook Vector Icon Textbook Vector Icon
Biochemistry Vector Icon Biochemistry Vector Icon
Video: Kidney Stones

For a complete list of videos, visit our video library