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  1. ...use is ( U + V) / ( 1 + U*V) = (99.997% + 0.075%) / ( 1 + 99.997% * 0.075%) = 99.9970045%. Even if you combined two speeds...

    4 Answers · Science & Mathematics · 28/02/2015

  2. ...root) then Vx = 3.4 cos30 =2.94 m/s X = Vx t = 2.94 (0..678) = 1.99 m so a) about 2 meters If someone gives you a good response...

    1 Answers · Science & Mathematics · 23/02/2015

  3. ...angular velocity v = Rω or ω = v/R = 29885.775 / [1.5 x 10¹¹] = 1.99 x 10^(-7) rad/s and (c) centripetal acceleration: = v² / R = 29885....

    2 Answers · Science & Mathematics · 16/02/2015

  4. The mass of the sun is also irrelevant. (T² / D³)_earth = (T² / D³)_mars (1 yr)² / (1.5e11 m)³ = T² / (2.28e11 m)³ T² = 3.5118 yr² T = 1.874yr * 365.25day/yr * 24h/day * 3600s/h = 5.91e7 seconds If...

    2 Answers · Science & Mathematics · 20/01/2015

  5. ... 117 x 1.49 x 10^11 = 1.7 x 10^13 m away currently. Answer to 1). Do the calculation. 2GM = 2 x 6.67 x 10^-11 x 1.99 x 10^30 = 26.55 x 10^19...

    3 Answers · Science & Mathematics · 28/12/2014

  6. It comes from the bumper of the car. It is the force required to accelerate the block at 1.99 m/s². It is also the force required to reduce the acceleration of the car by 0.01 m/s²

    3 Answers · Science & Mathematics · 04/12/2014

  7. 3) All are necessary? The volume of the object and the volume displaced by the object are the same thing, maybe you are supposed to 'not need' one or the other? 4) It's a cubical tank, so the water height is (root 3) of 10, = 2.154 metres...

    1 Answers · Science & Mathematics · 08/10/2014

  8. ... ) / ( 4 * π ² ) ) (orbital radius in meters) You can do the calculation

    2 Answers · Science & Mathematics · 11/10/2014

  9. 1) Q = v*A = constant v1*A1 = v2*A2 Area is circular, so A = pi*d^2/4 v1*pi*d1^2/4 = v2*pi*d2^2/4 v1*d1^2 = v2*d2^2 Solve for v2 v2 = v1*d1^2/d2^2 Plug in numbers v2 = 2.0 m/s * (6)^2/(3)^2 = m/s 2) Specific gravity = density of the material...

    1 Answers · Science & Mathematics · 06/10/2014

  10. There are different ways to do this. The simplest way (and the one I'm guessing you are supposed to use) is this. The radius, r, of a nucleus containing...

    2 Answers · Science & Mathematics · 11/05/2014

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