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  1. t=F* r 3Nm=5N* r r =0.6 m

    1 Answers · Science & Mathematics · 17/11/2020

  2. If you apply the force perpendicularly to the door, τ = 125N * 1.4m = 175 N·m If you applied at an angle, then less. For the angle measured from perpendicular, τ = F* r *cosΘ.

    1 Answers · Science & Mathematics · 17/11/2020

  3. ...9.81m/s² / cos30.0º = 10.2 N c) T = m(g + v²/ r ) = 0.900kg*(9.81 + 0.917²/0.230)m/s² T = 12.1 N...

    1 Answers · Science & Mathematics · 20/11/2020

  4. 1. This seem to be 50 mR. 200*0.5= 100*1 2.    1 mAs=4.5      50*200ms=50*200/1000=10mR      300*1.5=450 m R 800*16/1000=128/10=12.8 mR Please check these reulsts

    2 Answers · Science & Mathematics · 20/11/2020

  5. Power dissipated is P = V²/ R = 120² / 50 = 288W If you want the amount of heat energy, you also need the time. E.g. of it's on for 10s: E = Pt = 288 * 10 = 2880J

    2 Answers · Science & Mathematics · 15/11/2020

  6. g = GM/R² R = √(GM/g) = √(6.674e−11N·m²/kg² * 5.98e24kg / 0.233m/...

    2 Answers · Science & Mathematics · 16/11/2020

  7. ... = (45W)/(4A) = 11.25 V If resistance of bulb = R Ω, then resistance of B//C = R /2 If voltage of battery...

    2 Answers · Science & Mathematics · 15/11/2020

  8. ...angle θ, the vertical component of centripetal force = mrω²cosθ where r = radius of circular wire so we have mrω²cosθ = mg r = g/(ω...

    1 Answers · Science & Mathematics · 13/11/2020

  9. ... the strains are equal, you've got (40kN - R ) / (A*E)alum = R / (A*E)fe where R is...

    1 Answers · Science & Mathematics · 18/11/2020

  10. ... of the force between electron and proton separated by a distance r = 975 ×10 -9 m F = k Qp Qe / r2 = 9 ×109 × ( 1.6 ×10 -19...

    1 Answers · Science & Mathematics · 13/11/2020

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