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

Author Question: An unfueled 1000-kg experimental rocket sled at rest on level frictionless rails is loaded with 50 ... (Read 675 times)

magmichele12

  • Hero Member
  • *****
  • Posts: 559
on: Jul 28, 2018
An unfueled 1000-kg experimental rocket sled at rest on level frictionless rails is loaded with 50 kg of propellant. It exhausts the propellant in a 20 s burn.. The rocket moves at 160 m/s after the burn. What average force is experienced by the rocket during the burn?
 a. 0.80  104 N
  c. 0.60  104 N
  b. 0.75  104 N
  d. 0.35  104 N

Question 2

Charge A has 10 electric field lines coming out, charge B has 20 lines coming out, and charge C has 30 lines coming in. Which pair of these charges will have the largest force between them if placed one cm apart?
 a. A and B
  c. More information is needed. b. B and C
  d. C and A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

akemokai

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

B


magmichele12

  • Member
  • Posts: 559
Reply 2 on: Jul 28, 2018
Excellent

hramirez205

  • Member
  • Posts: 345
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Summary of greenhouse experimental design and results Summary of greenhouse experimental design and results
Rocket Larkspur Rocket Larkspur
Zhang Huan, To Raise the Water Level in a Fishpond. Zhang Huan, To Raise the Water Level in a Fishpond.
Cradle the head to finish. Rest the head on the table. Place your fingers on the sides of the head ... Cradle the head to finish. Rest the head on the table. Place your fingers on the sides of the head ...
A Drug’s Plateau Level A Drug’s Plateau Level
Average real hourly wages (2010 dollars) by education level, full-time workers aged 17 to 34 in 2011 Average real hourly wages (2010 dollars) by education level, full-time workers aged 17 to 34 in 2011
Video: ACTH/Cortisol (glycogenolysis, protein catabolism, lipolysis and gluconeogenesis)

For a complete list of videos, visit our video library