physics
β= v/c=0.3c/c=0.3 L=L₀•sqrt{1-β²)=30•sqrt(1-0.3²)=28.6 m
physics
t=t₀/sqrt{1-β²)=11/sqrt(1-0.7²) = 15.4 s
physics
P=F/A=NW/A N=PA/W = =1.013•10⁵•0.203•0.089/17.8=102.8 ≈103
English
These are questions from Stephen King's collection "different seasons", particularly the novel "Rita Hayworth and the shawshank redemption": 1. From all the appearances the trial against Andy was pretty much "opens & shut". Identify the ...
Physics
h=v₀t+gt²/2 gt²+2 v₀t-2h=0 10 t²+3.4t-90 =0 t= {- 3.4±sqrt(11.56+3600)}/20= = { - 3.4 ± 60.1}/20 t = 2.83 s
physics
P=W/A= W/4πr², W=4πr²•P= =4•3.14•(6.37•10⁶)²•1.01•10⁵=5.15•10¹⁹ N
Physic Please Help
sqrt =square root, arctan = tan⁻¹ - inverse trigonometric function – http://en.wikipedia.org/wiki/Inverse_trigonometric_functions)
Physic Please Help
v=sqrt{(pl)²+v(wind)²} = ... α= arctan{ w(pl)/v(wind)}=... north of west
Physics ASAP
http://www.physicstutorials.org/home/mechanics/1d-kinematics/projectile-motion?start=1
Physics ASAP
t =sqrt(2h/g) s =vt
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