Log in
Physics
1
answer
0
watching
114
views

Which of the following statements are true?

(a) An astronaut's weight is the same on the Moon as on Earth.

(b) An astronaut's mass is the same on the International Space Station as it is on Earth.

(c) Earth s gravity has no effect on astronauts inside the International Space Station.

(d) An astronaut s mass is greater on Earth than on the Moon.

(e) None of these statements are true.

Watch
1
answer
0
watching
114
views

For unlimited access to Homework Help, a Homework+ subscription is required.

Vikas
VikasLv10
3 Nov 2020

Unlock all answers

Get 1 free homework help answer.
Already have an account? Log in
Share

Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

Astronauts on the International Space Station feel weightless because:

(A) Their apparent weight is zero.

(B) They are far enough above the earth's surface that the gravitational force is negligible.

(C) They are above the earth's atmosphere.

(D) The gravity of the earth and the sun are directed opposite each other, so there is no net gravitational force.

The figure below shows a picture of American astronaut Clay Anderson experiencing weightlessness onboard the International Space Station.

(a) Most people have the misconception that a person in a spacecraft is weightless because he or she is no longer affected by gravity. Show that this premise cannot be true by computing the gravitational field of the Earth at an altitude of 200 km, the typical altitude of a spacecraft in orbit. Compare this result with the gravitational field on the surface of the Earth.

(b) Why would astronauts in orbit experience weightlessness even if they are experiencing a gravitational field (and therefore a gravitational force)?

13.62. (a) Calculate how much work is required to launch a spacecraft of mass m from the surface of the earth (mass me, radius RE) and place it in a circular low earth orbit—that is, an orbit whose altitude above the earth's surface is much less than RE: (As an example, the International Space Station is in low earth orbit at an altitude of about 400 km, much less than RE = 6370 km.) Ignore the kinetic energy that the spacecraft has on the ground due to the earth's rotation. (b) Calculate the minimum amount of additional work required to move the space- craft from low earth orbit to a very great distance from the earth. Ignore the gravitational effects of the sun, the moon, and the other planets. (C) Justify the statement "In terms of energy, low earth orbit is halfway to the edge of the universe."

Weekly leaderboard

Home
Homework Help 3,900,000
Physics 110,000
Start filling in the gaps now
Log in