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  1. angular momentum L = m*v*r 4.5 kg·m²/s = 0.25kg * 3.5m/s * r r = 5.1 m

    1 Answers · Science & Mathematics · 12/01/2021

  2. is that 3.1 m/s ? conservation of momentum initial momentum = 895•3.1 final momentum = (895+365)V set them equal and solve for V V = 895•3.1 / (895+365) = 2.20 m/s

    1 Answers · Science & Mathematics · 12/01/2021

  3. conservation of momentum 0.20(0.24) + 0.42(0.45) = (0.20 + 0.42)v v = 0.382258... ≈ 0.38 m/s Please remember to select a Favorite Answer from among your results.

    1 Answers · Science & Mathematics · 12/01/2021

  4. Conservation of momentum Initial momentum of skater and ball is zero 0 = 6.0(-3.0) + 78v v = 0.23076... ≈ 0.23 m/s Please remember to select a Favorite Answer from among your results.

    1 Answers · Science & Mathematics · 12/01/2021

  5. ... in units of s.  t = √ 2h / g = √ 2*1.1 / 9.81 = 0.474 sec   b. What is the kinetic energy KE of the rock just before it...

    1 Answers · Science & Mathematics · 10/01/2021

  6. Vo^2 = 2*a*L a = Vo^2/2L = 77.6^2/3.5 = 1721 m/ sec ^2 accel. a = F / m ball mass m = F/a = 13.3/1.72 = 7.73 kg  ....no matter the shooting angle 

    3 Answers · Science & Mathematics · 10/01/2021

  7. ...what is the acceleration?   a = (F'-FF)/m = (10-6)/2 = 2.0 m/ sec ^2  (iii) What is the speed V, if it accelerates from...

    1 Answers · Science & Mathematics · 09/01/2021

  8. ...g is 9.8 m/s ^2  landing time t = √ 2h/g = √ 2.2/9.8 = 0.474 sec   block speed Vb = d/t = 1.7/0.474 = 3.59 m/ sec   conservation of momentum shall...

    1 Answers · Science & Mathematics · 09/01/2021

  9. ....  There are also reports of Trump's new Sec Def hobbling the DC National Guard ...

    1 Answers · Politics & Government · 08/01/2021

  10. There may be more to this story.  Was Trump's Sec Def easing rioters' access?  "The Pentagon...

    5 Answers · Politics & Government · 08/01/2021

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