This topic contains a solution. Click here to go to the answer

Author Question: Which one or ones of the following forces extend over macroscopic distances? A) the gravitational ... (Read 116 times)

bobypop

  • Hero Member
  • *****
  • Posts: 539
Which one or ones of the following forces extend over macroscopic distances?
 
  A) the gravitational force
  B) the electromagnetic force
  C) Both of the above.
  D) the strong force
  E) all three: electromagnetic, gravitational, and strong

Question 2

A hunter points a rifle horizontally and holds it 3.30 m above the ground. The bullet leaves the barrel at 325 m/s. Ignore air and assume that free-fall acceleration is 9.80 m/s2.
 
  (a) How long does it take for the bullet to strike the ground? (b) How far horizontally does it travel?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

coyin

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

C

Answer to Question 2

(a) 0.821 s (b) 267 m





 

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

For a complete list of videos, visit our video library