Physics
mgh = mv²/2 v=sqrt{2gh}
Physics helpp
F-F(gr) = ma a= {F-F(gr)}/m = =(15-10)/15=0.33 m/s² (upward)
science physics
1,2). k =9•10⁹ N•m²/C², q₁=5 C, q₂= - 2.5 C. F=k•q₁•|q₂|)/r² = =9•10⁹•5•2.5/1.75² =3.67•10¹⁰ N (to the right). 3). E=k|q₂|/r² =9•10⁹•2.5/1.75&#...
physics
k =9•10⁹ N•m²/C² F=k•q₁•q₂/r² = =9•10⁹•5•2.5/1.75² =3.67•10¹⁰ N (to the right)
physical science
a=F/m = 14000/2500 =5.6 m/s^2
Physics
m=14 kg F=ma=14 x 1.5 = 21 N
Physics to Elena
(a) The time-averaged Poynting vector is <S> =cε₀E₀²/2. The amplitude of electric field is E=sqrt{2<S>/ cε₀} = =sqrt{2•1.35•10³/3•10⁸•8.85•10⁻¹²} = 1.01•10³ V/m. (b) The ...
Physical Science
KE=mv²/2 m= ρV kinetic energy per unit volume V KE₁ =KE/V= mv²/2V =ρV•v²/2V = ρv²/2
Physical Science
KE=ρv²/2= 1•10³•0.5²/2=125 J
physics
Coulomb’s Law: F=k•q₁•q₂/r² =… F=ma => a=F/m=… r=at²/2 t=sqrt{2r/a)=…
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