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1. ### Physics Question?

I = V / R V = 6 volts R = 10 + 4/2 = 12 ohms I = 6 / 12 I = 0.5 A

3 Answers · Science & Mathematics · 14/01/2020

2. ### Charge/Mass Ratio of Electron & Induction??

F = q * v x B and the force F = m*a = mv²/r and since v and B are at right angles, v x B has...

2 Answers · Science & Mathematics · 11/02/2020

3. ### Math Homework Help Vectors Grade 12?

...which has scalar magnitude 13. (2) If the vector projection of S on R is (2,-1,7), then R has the same direction as (2,-1,7). ...

2 Answers · Science & Mathematics · 22/07/2019

4. ### A cylindrical roll of sod is being unrolled such that its volume is decreasing at a rate of 2500 cm^3/s. If the length of the roll is ?

V= π*r^2*h, h= 45 cm dV/dt= 90πr*dr/dt 2500= 90π*12.5*dr/dt dr/dt= 250/(112.5π)≈ 0.7074 cm/s

1 Answers · Science & Mathematics · 31/03/2020

5. ### On a circle, a 210degree angle forms an arc with a length of 150cm. To the nearest tenth of a cm, the radius of the circle is?

s = rΘ : Θ measured in radians r = 150/Θ = 150/(210π/180) ≈ 40.9cm Ans: 40.9 cm

6 Answers · Science & Mathematics · 03/06/2019

6. ### Survey for atheist white females who are intelligent?

Atheists r less likely to be racist than brain washed closed minded,my way is the only good way fundies

2 Answers · Politics & Government · 19/05/2019

7. ### Cylinder Volume Question??? (Picture attached)?

Let H cm be the height of the can when R=4.2 cm, then piHR^2=725 => H=725/(17.64pi... the height is reduced by 1 cm, (r+4.2)^2=1/(1/17.64-pi/725) => r=1/sqr(1/17.64-pi/725...

2 Answers · Science & Mathematics · 05/05/2019

8. ### Circle Gemonrety Math Problem Help??

a) The circumference of a circle is 2πr, so Quinn ran (3/4)(2π)(32 m) = 151 m (rounding to ...

1 Answers · Science & Mathematics · 13/06/2019

9. ### Finding equilibrium constant when Δ H ∘ is constant?

ln (K2/K1) = Delta H/R (1/T1 - 1/T2) ln (K2/9.6) = (-6900 J/mol / 8.314 ...

1 Answers · Science & Mathematics · 08/02/2020

10. ### A rocket of total mass 500kg on the earth surface is to be launched into space, calculate the K.Energy required of it to escape into space.?

... = KE = ½mV² = ½(500)(√(2GM/r))² = 250(2GM/R) = 500(3.98e14) / (6.37e6) = 3.12e10 J...

3 Answers · Science & Mathematics · 01/08/2019