physical scinsce
F=1000n, F=ma, a=F/m=1000n/10= 100n. a=v²/2s, v²/2s=100n, n= v²/200s=50²/200•10=1.25. The amount of explosive is 1.25•10 =12.5 kg.
physics
F=qvBsinα sinα = sin180= 0 => F=0
physics
incandescent solids produce a continious spectrum of radistion, excited gases - line spectrum
Physics
This is correct solution
Physics
ma= Fcos θ –μ(mg-Fsin θ) μ = (Fcos θ -ma)/ (mg-Fsin θ)
physics
T=2π•sqrt(L/g) = 2π•sqrt(1.8/3.69) =4.4 s
Physics Need quick help please
Number of nuclei N=n•N(A) = (m/μ) • N(A)= =(3 g)•(6.022•10²³ nuclei/mol)/(63 g/mol)=2.87•10²² nuclei The energy required to break all the copper nuclei into their constituent protons and neutrons is (550 MeV ) •(2.87•...
Physics Someone help please!
¹₀n+¹º₅B = ⁷₃Li+⁴₂He Δm = m(¹₀n) + m(¹º₅B) – m(⁷₃Li)-m(⁴₂He)= =1.009 + 10.811 – 6.941 – 4.003 = 0.876 u. ΔE=mc²=0.876 •1.66•10⁻&#...
Physics to Elena
Number of nuclei N=n•N(A) = (m/μ) • N(A)= =(3 g)•(6.022•10²³ nuclei/mol)/(63 g/mol)=2.87•10²² nuclei The energy required to break all the copper nuclei into their constituent protons and neutrons is (550 MeV ) •(2.87•...
Physics to Elena
I believe that the correct answer is 1.58•10¹⁴ J.
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