University:
Shippensburg University of Pennsylvania
Course:
PHY 205 | Intermediate Physics I
Academic year:

2022
Views:

23

Pages:

1
Author:

Lemony

Gravitatio Force of gravitation doesn't depend on medium Kepler's lavos: Dlaw of orbit sun is one of focis of elliptical orb Law of areas areas swept are equal for time int. AA cons. 2 At 2m 3) Law of periods: Universal law of gravitation: F G mima intensity (E) == Gm/y2 G = 6.67 x10 m² Fg inside army hollow obj of any shape s F = GMM r2 Meg = 9.1 Re cacco due to gravit herght 9=9(1-2) on earth: F= GM m RE ναι ιαλίση site latint de g' = 9-Rw² cos² depth 99(1) Imax potes = 9.8 m/s² Imin arey. = 9.7m² on surtave at G.P-E (Potentiel energy) du= F.d U=GMms (一) on carth: Au=mgh G.PE (U) = Gmima Gravitational()= Parennal mass AU GM = 3 U= V Workdone escape: Inve²= GMM velocity R Ve 2 GM R for earth ve 11.2 km/5ec Communication (geosrationry) equatorial plane K eg: INSAT period 24hrs "Satellites-pole to the pole period = 85 min aabits 6 times a day Critical = wet horizontal velo of velocity satellite for circular path. (Vc) Ve -ellipse earth as apogee clicle ellipse edith perigee Me V = Gane Vene h myper Vc = √ √ge+n) if Rther R = √gr = 7.92 koliee Time period of satellite independ of mass:=2 of sattilve (Rth) Parabok meters - (T²ard) VC GM M 67 if RthER Binding energy + GM 3 (R+h)