What is the magnitude of the electrostatic force between a singly charged sodium ion (Na*, of charge +e) and an adjacent singly charged chlorine ion (CI", of charge -e) in a salt crystal if their separation is 2.844 x 10-10 m?

Q: 12 K M 16 J

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Q: 6) A rectangle has an area 20x’y-15x´y. Determine the dimensions of the rectangle.

A: Let a, b denotes the length and breadth of the rectangle

Q: If z = 2 ( cos 2¥/3 + isin 2¥/3 ), then z^3=   i. 2 - i8√3 ii. -4 + i4√3 iii.-8-i√2 iv. -8 - i4

A: Using de-moivre's formula :

Q: Find AB and BB’.

A:

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A: Given: m∠A'B'C'=x5+20, m∠ABC=x2+5 We know that when we take reflection of a triangle across any line…

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A: Given is a square pyramid with height as h, the depth of the water is 25h.   If we turn the pyramid…

Q: -2 68% σ=4 6 +

A: The normal curbe is drawn as : Population standard deviation : Find value of population mean = ?

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A:

Q: EcO = 1, then o c =(htnt e* =) O true false

A: In the given problem,

Q: 96, a0ose -bsine =0 a'simo +baose asimo-baose Then,

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Q: 8. Find sec (30 deg), csc (225 deg),

A:

Q: which of the fol lowy pore Se pove (-1)* (x+2)^ of A. こ0 2n B. 3. (-1)"(x+1)" こO 27 C. S (-1)" x En…

A: we have to find the power series which is converges on the interval (-4,0)

Q: Sece. tano do seco Jsec'o -1 Seco . tanodo feco· Jtario feco. tono do Seco . tomo

A: we have to solve integration.

Q: The expression of Absorption's law is given by what?

A: The expression of Absorption's law is

Q: Differentiate, hcx) = In (x-Vr

A:

Q: The volume V of a gad varies inversely as its pressure P. If V = 40 cm^3 when P = 60 g/cm^2, find V…

A: According to the question volume V  is inversely proportional to pressure P.  Thus,  V1/ V2  = P2/P1…

Q: 1 %3D 0. O v9 V7 O V8 O vīl O vīo

A: ∫0812xdx