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 218 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?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Location of the Planets Relative to the Sun Location of the Planets Relative to the Sun
This lithograph by Currier and Ives gives an erroneous impression of the “battle.” Major Robert Ande This lithograph by Currier and Ives gives an erroneous impression of the “battle.” Major Robert Ande
Using a vacuum hose and a test light to ground one cylinder at a time on a distributorless ignition ... Using a vacuum hose and a test light to ground one cylinder at a time on a distributorless ignition ...
MOMENTUM AND IMP meteor(158 kg) is moving with a velocity of 127 m/s , and breaks into two ... MOMENTUM AND IMP meteor(158 kg) is moving with a velocity of 127 m/s , and breaks into two ...
Calculate the velocity of the red rock after collision Angle measured counterclockwise from the ... Calculate the velocity of the red rock after collision Angle measured counterclockwise from the ...
If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is
Video: Arthritis

For a complete list of videos, visit our video library