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

Author Question: When a 100-kg astronaut ejects 0.1 kg of gas at a speed of 50 m/s from her propulsion pistol, her ... (Read 36 times)

Metfan725

  • Hero Member
  • *****
  • Posts: 552
on: Jul 29, 2018
When a 100-kg astronaut ejects 0.1 kg of gas at a speed of 50 m/s from her propulsion pistol, her recoil speed is
 
  A) 50 m/s.
  B) 5.0 m/s.
  C) 0.5 m/s.
  D) 0.05 m/s.

Question 2

A ball is thrown downward from the top of a building with an initial speed of 25 m/s. It strikes the ground after 2.0 s. How high is the building, assuming no air?
 
  A) 20 m
  B) 30 m
  C) 50 m
  D) 70 m


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Cheesycrackers

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

D


Metfan725

  • Member
  • Posts: 552
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

tandmlomax84

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

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.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Lioness in a burst of speed while hunting in the Serengeti Lioness in a burst of speed while hunting in the Serengeti
Astronaut Piers Sellers during the third spacewalk of STS-121, a demonstration of orbiter heat shiel Astronaut Piers Sellers during the third spacewalk of STS-121, a demonstration of orbiter heat shiel
Evidence that Light Travels at a Finite Speed Evidence that Light Travels at a Finite Speed
The initial timing is where the spark plug fires at idle speed. The computer then advances the ... The initial timing is where the spark plug fires at idle speed. The computer then advances the ...
A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ... A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ...
A simple harmonic oscillator has an amplitude of 3.50 cm and a maximum speed of A simple harmonic oscillator has an amplitude of 3.50 cm and a maximum speed of
Video: Cognitive development by Piaget (Preoperational stage or intelligence)

For a complete list of videos, visit our video library