• Below is an example of a planet project that we work on in physics.  In this assignment, students create planets which they give values for and then use their assigned values to calculate a planet's gravitational pull and its' period of orbit.  The projet below was created by Harrison Sibert.

     

    planets 

     

     

    Planet Name

    Mass (kg)

    Radius of Planet (m)

    Distance From Sun (m)

    Weight of a 60 kg man (N)

    Acc. Due to Gravitiy (m/s^2)

    Time for object to fall 100 meters (sec)

    Planets orbital period (in years)

    Mariodus

    7x10^24

    2x10^6

    1.5x10^11

    7000

    117

    1.31

    .032

    Luigex

    8x10^24

    3x10^6

    2.7x10^11

    3560

    59.3

    1.84

    2.41

    Peachotum

    5x10^24

    2.7x10^6

    1.9x10^12

    2740

    45.7

    2.09

    45.1

    Toadexus

    3x10^24

    1.5x10^6

    9x10^12

    5330

    88.8

    1.50

    465

    Bowzoid

    9x10^26

    8x10^7

    9.9x10^12

    563

    9.38

    4.62

    536

     

    Sample Calculations for Mariodus

     

                   Fg = 6.67x10^-11x60x7x10^24/(2x10^6)^2

                   Fg = 7000N

     

                   7000/60 = g

                   g = 117

                   

                   T = Ö2x100/117

                   T = 1.31

     

                   (TA/1yr)^2 = (1.5x10^10/1.5x10^11)^3

                   TA = .032

     
Last Modified on April 18, 2007