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4 Oct 2023: S(t) = cos 2ωtS (1 cos 2ωt) B̂ (B̂ S) sin 2ωt B̂S. ... H = γB(t) S where B(t) = B0ẑ b (x̂ cos ω1t ŷ sin ω1t).

1 Nov 2023: 5. Diagonalise the quadratic form in R2 defined by. F(x, y) = (a cos2 θ b sin2 θ) x2 2(a b)(sin θ cos θ) xy (a sin2 θ b

16 Jan 2024: Find the time-averaged energy flux vector 〈 I 〉 for (i) a plane harmonic S-wave with u =. B cos(k x ωt), (ii) a plane harmonic P-wave with u = Ak̂ ... An SV-wave with displacement. u = B(cosθ,0, sinθ)eik(x sin θz cos θ)iωt.

23 Oct 2023:   cos φ sin φ 0sin φ cos φ 00 0 1. ... ψ̇ φ̇ cos θ. . (b) [optional extra] Calculate the matrix B = R>Ṙ and verify that it is antisymmetric.

6 Oct 2023: I0(x) =1. π. π. 0. ex cos θ dθ. Oscillatory Integrals and Stationary Phase. ... a). 1. 0. cos(. x tp). dt , with p > 1 , real ,. (b). π. 2. 0. (. 1 (. 2θ. π. ))γ. cos(.

2 Feb 2024: Let there be a magnetic field B, sothat each molecule has a potential energy mB cos θ (θ being the angle between theaxis of the molecule and the magnetic field). ... N where. zrot =. [. 2I. 2mBβ2. ]. sinh(mβB). Evaluate the total magnetisation, M =

23 Oct 2023: q1 = Q1 cos λ P2 sin λ, q2 = Q2 cos λ P1 sin λ,. ... p1 = Q2 sin λ P1 cos λ, p2 = Q1 sin λ P2 cos λ.

8 Mar 2024: dt=. 1. Ra, where R2 = k1. Derive the. equationsa(η) = B(1 cos η) , t(η) = BR(η sin η) ,. where B is a constant, and hence show that the universe ... ds2 = sin θ (dφ2 dθ2) 2 cos θ dθ dφ ,. where 0 θ 2π and 0 φ 2π. Show that, for a null

26 Jan 2024: Show that the resulting state is. |ψαβ⟩ = 12 (cos(α β) |00⟩ sin(α β) |01⟩ sin(α β) |10⟩ cos(α β) |11⟩). ... B) to be independent of the choiceof angle chosen and used remotely at B (resp.

1 Dec 2023: X = 0 is given byF′ G = c0, (cos X σ0) G sin XF = 0, (4.4a,b). ... Θ = Ae(1κ2)τ cos κX Z, W = Ae(1κ2)τ cos κX, (5.1a,b)for any amplitude A.