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 143 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?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Apparent motion of Alpha Centauri relative to Beta Centauri Apparent motion of Alpha Centauri relative to Beta Centauri
The relative influence of heredity and the environment in human behavior has fascinated and plagued ... The relative influence of heredity and the environment in human behavior has fascinated and plagued ...
A typical fire extinguisher designed to be used on class A, B, or C fires. A typical fire extinguisher designed to be used on class A, B, or C fires.
With the vehicle raised one foot (30 cm) off the ground, push down on the vehicle to check if it ... With the vehicle raised one foot (30 cm) off the ground, push down on the vehicle to check if it ...
Cell Grown in 15N and 14 N: Graph of Relative DNA Concentration Vs. the Density Cell Grown in 15N and 14 N: Graph of Relative DNA Concentration Vs. the Density
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: Premenstrual Syndrome

For a complete list of videos, visit our video library