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  1. V = pi * r^2 * h r = 3 V = pi * 9 * h dV/dt = pi * 9 * dh/dt The depth doesn't matter dh/dt = 0.5 dV/dt = 9 * pi * 0.5 = 4.5 * pi Your calculator can do the rest.

    2 Answers · Science & Mathematics · 29/05/2020

  2. ...vcos54* = 0.59v m/s & Vy = vsin54* = 0.81v m/s Let the apple take t sec to reach the wall, in t sec the apple shall also attain a height of (10 - 1.6 =) 8.4...

    1 Answers · Science & Mathematics · 31/05/2020

  3. ...a = 12.66 m/s^2 A) by v = u + at =>330 = 0 + 12.66 x t =>t = 26.06 sec B) Thrust (T) = ∆(mv)/∆t =>T = m x ∆v/∆t =>...

    1 Answers · Science & Mathematics · 31/05/2020

  4. a. x + 1= π/2; x= π/2 - 1 period= 2π; half period= π x= π/2 - 1 +/- nπ, n= 1, 2, 3,... b. 3x + π/3= π/2; x= π/18period= 2π/3; half period= π/3x= π/18 +/- nπ/3, n= 1, 2, 3,...

    1 Answers · Science & Mathematics · 31/05/2020

  5. Nothing you can do until she gets professional help. She also has to care too, you being frustrated is only the beginning. 

    3 Answers · Family & Relationships · 28/05/2020

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