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

Author Question: A 500-kg cannon fires a 4.0-kg projectile with a velocity of 500 m/s relative to the ground. What is ... (Read 141 times)

abarnes

  • Hero Member
  • *****
  • Posts: 556
on: Jul 29, 2018
A 500-kg cannon fires a 4.0-kg projectile with a velocity of 500 m/s relative to the ground. What is the recoil speed of the cannon?
 
  A) 1.0 m/s
  B) 2.0 m/s
  C) 4.0 m/s
  D) 6.0 m/s
  E) 8.0 m/s

Question 2

When an electron moves in a direction opposite to the electric field, its potential increases but the potential energy decreases.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

chloejackso

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

TRUE


abarnes

  • Hero Member
  • *****
  • Posts: 556
Reply #2 on: Jul 29, 2018
Thanks


chloejackso

  • Sr. Member
  • ****
  • Posts: 316
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

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?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Horses need to lie down occasionally, and prefer soft ground for a nap. Horses need to lie down occasionally, and prefer soft ground for a nap.
California ground squirrel (Spermophilus beecheyi) in the man-made rocky shoreline of the Berkeley M California ground squirrel (Spermophilus beecheyi) in the man-made rocky shoreline of the Berkeley M
Drive-on ramps are dangerous to use. The wheels on the ground level must be chocked (blocked) to ... Drive-on ramps are dangerous to use. The wheels on the ground level must be chocked (blocked) to ...
Velocity Velocity
Daily Variations in Temperature and Relative Humidity Daily Variations in Temperature and Relative Humidity
What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ... What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ...
Video: Skin Cancer

For a complete list of videos, visit our video library