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

Author Question: An astronaut lands on a previously unknown planet of radius 2350. km and she measures the ... (Read 95 times)

cagreen833

  • Hero Member
  • *****
  • Posts: 544
on: Jul 27, 2018
An astronaut lands on a previously unknown planet of radius 2350. km and she measures the acceleration of gravity to be 3.20 m/s2.
 
  (a) What is the mass of this new planet?
  (b) What does the astronaut weigh on this new planet if she weighs 384. N on Earth?

Question 2

What is the minimum energy needed to lift 1.0 kg to a height of 200. km and to give it a speed of 8.0 km/s? (Neglect the small decrease of g over that distance.)
 
  A) 34. TJ
  B) 34. kJ
  C) 34. MJ
  D) 34. GJ
  E) 34. J


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

wergv

  • Sr. Member
  • ****
  • Posts: 365
Reply #1 on: Jul 27, 2018
Answer to Question 1

(a) 0.26  1024 kg
(b) 125. Newtons

Answer to Question 2

C


cagreen833

  • Member
  • Posts: 544
Reply 2 on: Jul 27, 2018
Excellent

tandmlomax84

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

An Apollo Astronaut on the Moon An Apollo Astronaut on the Moon
Ionic Radius Ionic Radius
Loss of Indian Lands, 1850–2010 Loss of Indian Lands, 1850–2010
In another solar system, a planet has an airless moon Zygo that is 4.0 × 105 m in diameter. ... In another solar system, a planet has an airless moon Zygo that is 4.0 × 105 m in diameter. ...
A spherical water tank with an inner radius of 4 m has its lowest point 3 m ... A spherical water tank with an inner radius of 4 m has its lowest point 3 m ...
Mass spectrometry for identifying an unknown protein isolated from a 2D gel Mass spectrometry for identifying an unknown protein isolated from a 2D gel
Video: Epinephrine/NE (heart rate, altered blood flow, glycogenolysis & bronchodilation)

For a complete list of videos, visit our video library