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related to: K.C

1. ### Find λ, such that vectors: a = 2 i - j + k , b = i + 2 j - 3 k and c = 3 i + λ j + 5 k are co-planar. ?

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1 Answers · Education & Reference · 02/08/2020

2. ### Prove gcd(a,b)=gcd(a-b,b)?

...b and b which was not factor of a and b). So, let assume ∃ k '> k , c , b'' such as a-b= k '× c , b= k '×b'' then a= k ' c + k '...

1 Answers · Science & Mathematics · 21/07/2020

3. ### For which of the following values of x is the equation (sin x + cos x)^2 = k true, for 1< k < 2 ?

(sin x + cos x)^2 = k sin x ^2 + cos x ^ 2 + 2*sin x * cos x = k (sin x ^2 + cos x ^ 2) + 2*sin x * cos x = k 1 + 2*sin x * cos x  = k 1 + sin 2x = k sin 2x = k - 1 let k - 1 = j find sin 2x = j where  0<...

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

4. ### You take a can of soda from the trunk of your car, which is at a temperature of 180, and put it into a freezer of temperature 10 degrees.?

...at t = 0) (180) t is the time since measurement started (varies) k is the cooling constant (unknown) Let's first put in...

1 Answers · Science & Mathematics · 20/07/2020

5. ### One mole of oxygen gas is at a pressure of 6.10 atm and a temperature of 25.0° C .?

... temperature, T₂ = (298.2 K ) × (3P/P) = 894.6 K = 621.4 ° C ==== If the gas is heated so that both the pressure and volume...

3 Answers · Science & Mathematics · 07/07/2020

6. ### Determine the new pressure of a sample of hydrogen gas if the volume and moles are constant, ?

At constant Volume P₁/T₁ = P₂/T₂ P₂ = P₁T₂ /T₁ P₂ = (6.0 atm)((30° C + 273) K )/((15° C + 273) K ) = 6.3 atm

1 Answers · Science & Mathematics · 06/07/2020

7. ### Why does the letter K exist?

I think it comes from those German words that we imported into the English language.  C has different sounds.

37 Answers · Education & Reference · 28/07/2020

8. ### PHYSICS QUESTION?

Force on 4\mu C due to charge qA FA = k (4\times10-6\timesqA)/(3.08\... horizontal component of force, F'x = [( k * 3 u C * q) / (17d2)] x cos\theta cosθ = 4d / SQRT...

1 Answers · Science & Mathematics · 20/07/2020

9. ### Coffee and Cream?

...of 80.2 oC and has the same specific heat as water (4186 J/kg K ). Let the final temperature is t* C , by the law of energy conservation: =>QLoss by coffee = Qgain by cup...

1 Answers · Science & Mathematics · 18/07/2020

10. ### What is the cooling constant? Is my answer right?

... 1) Cooling constant for an object is given by: k = -(1/t)ln((T(t)-Ts)/(To. -Ts)) Where, T...

3 Answers · Science & Mathematics · 27/07/2020