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

Author Question: A cannonball fired from a long-barrel cannon will have a greater muzzle velocity because the ... (Read 62 times)

brutforce

  • Hero Member
  • *****
  • Posts: 540
on: Jul 29, 2018
A cannonball fired from a long-barrel cannon will have a greater muzzle velocity because the cannonball receives a greater
 
  A) force.
  B) impulse.
  C) both of these
  D) none of the above

Question 2

Two billiard balls having the same mass roll toward each other at the same speed. What is the net momentum of the two-ball system?
 
  A) 0 kgm/s
  B) 10 kgm/s
  C) not enough information


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

patma1981

  • Sr. Member
  • ****
  • Posts: 292
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A


brutforce

  • Hero Member
  • *****
  • Posts: 540
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


patma1981

  • Sr. Member
  • ****
  • Posts: 292
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Features found in a long bone. Features found in a long bone.
the comet Encke riding along its pebbly trail of debris (long diagonal line) between the orbits of M the comet Encke riding along its pebbly trail of debris (long diagonal line) between the orbits of M
During World War I, advancing armies unloosed ferocious artillery barrages to destroy deeply entrenc During World War I, advancing armies unloosed ferocious artillery barrages to destroy deeply entrenc
Young adults who described themselves as “not being religious at all” had greater stress ... Young adults who described themselves as “not being religious at all” had greater stress ...
A very thin uniform rod, 2.40 m long and of weight 135 N, has a frictionless hinge at its lower ... A very thin uniform rod, 2.40 m long and of weight 135 N, has a frictionless hinge at its lower ...
In 1974 a UC Berkeley group fired an oxygen nucleus at a californium target. Giv In 1974 a UC Berkeley group fired an oxygen nucleus at a californium target. Giv
Video: Darwin's Observation (Fossils, Galapagos Islands & Africa ) and Natural Selection (Adaptive Traits)

For a complete list of videos, visit our video library