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  1. 11.2 km/sec is the "escape velocity" from the surface of the earth. When...the surface, where there's no air, and THEN throw it at 11.2 km/sec, it would fly away from the earth forever. BUT there's a catch...

    8 Answers · Science & Mathematics · 23/06/2007

  2. A) sec^2/(tan+cot) Solution: (1/cos^2) / ((sin/cos)+(cos/sin)) (1/cos^2...1+sin) / {cos(1+sin)} 2/cos 2sec ANSWER C) (tan^2/ (1+sec)) cos*sec. Since cos*sec=1 (tan^2)/ (1+sec) (sec^2-1)/ (1+sec...

    1 Answers · Science & Mathematics · 10/11/2011

  3. You mean radians/sec? It depends on how far you are from the center that you ... if v is measured in (same distance units as r) per sec. If the motion is not circular, then the speed is (v/r)*sin θ...

    2 Answers · Science & Mathematics · 30/07/2010

  4. Km/sec, Amps/meter, meter / second, meter/ second^2 kg / m^3, N... all these units we have a symbol [/]. [/] means per. Km/sec means kilometer per second. Amps/meter means ampere...

    2 Answers · Science & Mathematics · 25/11/2009

  5. correct s=d/t since s is 500 ft/sec in this case, and d is 50 ft, we get 500 ft/sec = 50 ft/ t lets...1 = 50 so 500 t feet/sec = 60 ft divide both sides by 500 ft/sec and get 500 t feet/sec / (500 ft/sec) =50 ft / (500 ft/sec) 500 feet...

    3 Answers · Science & Mathematics · 07/05/2011

  6. sec(-3π) = 1/cos(-3π) --> that you should just know. sec(x) = 1/cos(x) cos(-3π) = -1 1/-1 = -1 The negative really doesn't matter...

    2 Answers · Science & Mathematics · 04/03/2013

  7. Assume acceleration due to gravity is -32 ft/sec^2 v^2 = u^2 + 2as but for simplicity I am... zero). We know the initial velocity is 96 ft/sec. Again for ease of maths we're going...

    3 Answers · Science & Mathematics · 27/07/2012

  8. ...= -16t^2+vt+h With v equalling the initial velocity (30 ft/sec) h equalling the initial height (5 feet) t equalling...

    3 Answers · Science & Mathematics · 28/01/2008

  9. ...of the answers are easy, for example the time to range is 1.3 sec, they give you that one. The time for max height would be one half of that or...

    3 Answers · Science & Mathematics · 19/01/2012

  10. from the 6th sec to 11th sec is 5 seconds. Find acceleration Xf...230 = 25a a = 9.2 m/s^2 assume the question ask for the displacement from 6th sec to 16th sec so from 6th sec to 16th sec is 10 ...

    3 Answers · Science & Mathematics · 13/08/2007

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