Author Question: Ann the Astronaut weighs 65.0 kg. She is space walking outside the space shuttle and pushes a ... (Read 186 times)

newyorker26

  • Hero Member
  • *****
  • Posts: 536
Ann the Astronaut weighs 65.0 kg. She is space walking outside the space shuttle and pushes a 350.0-kg satellite away from the shuttle at 0.70 m/s. What speed does this give Ann as she moves toward the shuttle?
 a. 0.13 m/s
  b. 3.8 m/s
  c. 590 m/s
  d. 290 m/s
  e. 7.7 m/s

Question 2

A machine gun is attached to a railroad flatcar that rolls with negligible friction. If the railroad car has a mass of 6.35  104 kg, how many bullets of mass 35.0 g would have to be fired at 200 m/s off the back to give the railroad car a forward velocity of 0.56 m/s?
 a. 5.1E4
  b. 2.0E+3
  c. 6.5E+5
  d. 5.1E+3
  e. 6.5E+4



zacnyjessica

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

b

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

For a complete list of videos, visit our video library