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  1. ...the relative velocity of approach = relative velocity of separation, or 472 m/s = V - U where V is the post-collision velocity of the nucleus and U is...

    1 Answers · Science & Mathematics · 18/06/2020

  2. Energy stored E = 1/2 CV^2 where V = voltage but C = Q/V so V = Q/C &  V^2 = Q^2/C^2 s0 E = 1/2 CV^2 = 1/2 C*Q^2/C^2 = Q^2/(2C) Now if...

    2 Answers · Science & Mathematics · 17/06/2020

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    1 Answers · Science & Mathematics · 02/08/2020

  4. (a) U = mgh = 330kg * 9.81m/s² * 300m = 9.71e5 J (b) friction work W...0.12 * 330kg * 9.81m/s² * 500m * (4/5) = 9.32e4 J (c) KE = U - W = 8.78e5 J (d) 8.78e5 J = ½ * 330kg * V²...

    1 Answers · Science & Mathematics · 10/07/2020

  5. U = (kQ₁Q₂/r₁₂) + (kQ₂Q₃/r₂₃) + (kQ₁Q₃... = –3 C r₁₂ = 10 m r₂₃ = 4 m r₁₃ = 6 m U = k(35•16/10 – 16•3/4  – 35•3/6) You can do the math, ...

    1 Answers · Science & Mathematics · 14/06/2020

  6. ... to write that as T then you get T*dv/dt = T*a(t) = u - v(t)  --> a(t) = acceleration So T is some sort of time constant...

    1 Answers · Science & Mathematics · 11/09/2020

  7. (1/ u ) + (1/v) = 1/f (1/78.3) + (1/v) = -1/45.9 1/v = -(1/45.9) - (1/78.3) v = 1 / [-(1...78.3)] Image distance, v = -28.9 cm Height of the image = 4.56 × |v/ u | = 4.56 × |-28.9/78.3| = 1.68 cm Since v is negative, the image ...

    3 Answers · Science & Mathematics · 24/07/2020

  8. 1) energy stored in spring was U = ½kx² = ½ * 4784N...8.4 m/s (8.43 before rounding) 5) Now U = ½ * 4784N/m * (0.14m)²...

    1 Answers · Science & Mathematics · 07/08/2020

  9. good start -- U = kQq / d at point of triangle, U = 2*kQq / x at midpoint of base, U = 2*kQq / (x/2) = 4*kQq / x so Δ U = 2*kQq / x

    2 Answers · Science & Mathematics · 05/02/2020

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