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  1. P = E * I 500 W = 102V * I Solve for I P = E^2 / R Solve for R.

    1 Answers · Science & Mathematics · 26/05/2011

  2. ...: There are several ways to do this. One is to use Force x distance... per hour Kinetic Energy: 73,102,500,000 Joules Unfortunately, that math isn...

    3 Answers · Science & Mathematics · 03/11/2011

  3. 3,800 = 3.80 (10³) or 38.0 (10²) or 380(10¹) 7,500 = 7.50 (10³) or 75.0 (10²) or 750(10¹) As a form...

    1 Answers · Science & Mathematics · 11/11/2014

  4. ...from 10 km/hr to 120 km/hr. How much work does this require? calculate the difference in KE...½m(V₂² – V₁²) = 500(120²–10²) = 500(14300) 3) A 12 V DC...

    1 Answers · Science & Mathematics · 19/12/2011

  5. When we "Neglect friction and assume the beam moves with constant speed", we simply consider only the change of potential energy, which is: mgh = (500 kg)*(9.8m/s^2)*(21 m) = 102.9 kJ

    1 Answers · Science & Mathematics · 15/02/2008

  6. ...s[4] - s[3] = 465 m C) Rise time from v = u + at t = (v - u)/a = -500/-9.8 = 51 s Returns after 102 s D) Returns to starting point: displacement = 0

    1 Answers · Science & Mathematics · 03/02/2010

  7. Everyone else did it assuming constant velocity...rest). d = .5at² 20 = 0.5a(10²) a = 0.4 m/s² Then...ma F = m(a + g) F = 500(0.4 + 9.81) F = 5105 N...

    4 Answers · Science & Mathematics · 09/12/2012

  8. ...while pulling. Ff = 0.5 N = 0.5(500 - 0.5T) = 250 - 0.25T > The formula... for Ff above. What he did here is set the 2 expressions equal to each...

    1 Answers · Science & Mathematics · 22/01/2013

  9. ... = 10 m/s resultant velocity (size) = √(20²+10²) = √500 = 22.4 m/s ANS-1a release angle = arctan 20/10...-1b change values of Vy and do the same math 3 more times to finish entire prob...

    1 Answers · Science & Mathematics · 03/11/2013

  10. ...v̂ᵣₑ = 20 m/s west + 10 m/s north |v̂ᵣₑ| = √ [(20)² + 10²] = √500 = 10√5 m/s = 10(2.2361) = 22.36 m/s direction is given with θ...

    1 Answers · Science & Mathematics · 06/10/2015

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