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  1. ...distance. In other words T = S/c > S/C = t. NOTE: This is important. The speed of light remains at ...

    1 Answers · Science & Mathematics · 28/07/2018

  2. ...the balloon pushes the balloon up. The difference is the buoyancy. Note again, you do not understand any of buoyancy at this stage. The basic point ...

    4 Answers · Science & Mathematics · 27/07/2018

  3. ...idea. One which is still being developed to this day. Note that this does not discount the idea of firing a high velocity electron at...

    3 Answers · Science & Mathematics · 04/07/2018

  4. ... = 12000*9.8*(2500 - 1200)*1000 = 1.5288E+11 Joules. ANS. NOTE: I assumed g = constant for simplicity. I practice though the g value...

    3 Answers · Science & Mathematics · 21/05/2018

  5. ...δx The fraction errors are δx/x and δy/y. Note that 12x³ = 4(3x⁴)/x = 4y/x δy ≈ 12x³δx . . = (4y/x...

    3 Answers · Science & Mathematics · 18/05/2018

  6. ...2*(300 - 10*n)^2/(300 - 10*n) = m*(49/900)*(300 - 10*n) Newtons Now note as n gets larger 300 - 10*n gets smaller hence ...

    1 Answers · Science & Mathematics · 04/04/2018

  7. ... 4 has charge Q = CV = 4 x 60V = 240C Note the total charge remains the same (360+240=600).

    1 Answers · Science & Mathematics · 05/02/2018

  8. ...s size of the impulse = size of change in momentum = 27.2304 ≈ 27.2 kgm/s ANS* Note: kgm/s ≡ N-s

    1 Answers · Science & Mathematics · 25/01/2018

  9. s_vert = y = s0 + ut + (a/2)t^2 y = 5 - 4.905t^2 s0 = 5 height of target and blowgun u = initial velocity (vertically = 0) a = -9.81 m/s^2 (vertical acceleration downward due to gravity) horiz s = 10 = 0 + 35t t = 0.286 s vert s = 5 - 4.905(0.286)^2 s = 4.6 m (height on wall) horiz 10 = 35 cos x t t = 0.286 / cos x s = 5 = 5 + 35 sin x (0.286 / cos x) - 4.905(0.286 / cos x)^2...

    1 Answers · Science & Mathematics · 19/01/2018

  10. 2. How long does it take to reach h = 20 m? 20 = Vo*t-g/2*t^2 20-30t+4.903t^2 = 0 t = (30±√30^2-20*19.612)/9.806 = 0.7614 sec ascending ; 5.3573 sec descending 1. How fast is the rocket traveling when it reaches a height of 20.00 m? V1...

    1 Answers · Science & Mathematics · 15/01/2018

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