Help
Contact
For teachers and institutes
Search courses, problems, tests…
A
A
>_
StemPy Lab
Courses ▾
Problems ▾
Practice ▾
Mock Tests
Classes
Groups
Community ▾
A
A
What does Kepler's first law say about the planets? | StemPy Lab
Quizzes
/
What does Kepler's first law say about the planets?
Physics
Easy
High School (11–12)
Mechanics › Gravitation
Created by
StemPy Lab
What does Kepler's first law say about the planets?
Each moves in an ellipse with the Sun at one focus
Each moves in a circle with the Sun at the centre
Each sweeps out equal areas in equal times
The square of each one's period is proportional to the cube of its mean distance
Check Answer
Log in to save
Tag someone
⚑ Report
← All Quizzes
← How much energy is needed to move a 500 kg satellite from a circular orbit at 2R to one at 4R? (g = 9.8 m/s², R = 6400 km.)
Mars is on average 1.52 times as far from the Sun as the Earth. How long is a Martian year, in Earth years? →
More on
Mechanics › Gravitation
Discussion (0)
Log in
to join the discussion.
Loading…
Problems on this topic
Answer, and give a reason. At 550 km up, where a space telescope orbits, is g zero?
Easy
A 62 kg student stands on a scale in a lift.
Easy
A polar satellite orbits 800 km above the Earth.
Medium
A satellite goes round the Earth once every 8 hours.
Medium
All problems on this topic →