Email
Chat with tutors
logo

Ask Questions, Get Answers

X
 

Answers posted by vijayalakshmi.r

1231
answers
9
best answers
0 votes
answered Mar 30, 2016
7P3 = 7!/(7-3)! = 7!/4! = 7x6x5 = 210 ways
0 votes
answered Mar 28, 2016
13^2 = 7^2 +8^2 +2x7x8 c0sx 169 = 49+64+112cosx Hence cosx = 56/112 = 1/2 Therefore x = 60degrees...
0 votes
answered Mar 23, 2016
A semiconductor doped with donor impurity is N type
0 votes
answered Mar 23, 2016
Let Ve be the escape velocity and Vo be the orbital velocity Ve ^2 = 2gRe and Vo = gRe therefore V...
0 votes
answered Mar 23, 2016
Probability of getting a 5 or 6 = 2/6 = 1/3 Hence p= 1/3 and q - 1-1/3 = 2/3, n = 6 and r = 3 Ther...
0 votes
answered Mar 21, 2016
1/2[I]w^2 = mgh w = [3gh/l^2]^1/2
0 votes
answered Mar 21, 2016
This implies |A| = 10 hence |3A| = 9 x10 = 90
0 votes
answered Mar 21, 2016
incomplete question
0 votes
answered Mar 21, 2016
Incompete question
0 votes
answered Mar 21, 2016
s= ut +1/2[at^2] 45 = 0+1/2[10xt^2] t = 3 The second stone is thrown 1 sec later hence t= 2s 4...
0 votes
answered Mar 21, 2016
It is the cetroid, the point where the medians meet.
0 votes
answered Mar 21, 2016
The question seems to be incomplete. can u give the options?
0 votes
answered Mar 13, 2016
already answered . Please refer the previous questions.
0 votes
answered Mar 9, 2016
Let us assume that at the point P the gravitational field is zero, let D = 81R The distance between...
0 votes
answered Mar 9, 2016
The question seems to be incomplete
0 votes
answered Mar 9, 2016
Is called N - type
0 votes
answered Mar 4, 2016
For the 11 letters it is 11C3 ways But there are3 Es, 3 NS and 2 DS Case 1: NNNDD, EEEDD,NNNEE, an...
0 votes
answered Mar 3, 2016
1. Probability of getting sixes in all three dice = 1/6x 1/6 x1/6 = 1/216 Probability of getting 6 ...
0 votes
answered Mar 1, 2016
Area of the minor segment = (x/360)πr^2 - area of the triangle = (60/360)π(14x14) =102.67 Area of
0 votes
answered Feb 29, 2016
1/f = 1/v - 1/u Given f = +10cm and u = -15cm therefore 1/10 = 1/v - [-1/15] this implies v = 30c...
0 votes
answered Feb 28, 2016
1 = integration of 0 to 1 cx(1-x)^3 dx =  int of 0 to 1c [x - 3x^2 +3x^3 - x^4] dx on integr...
0 votes
answered Feb 28, 2016
Let O be the centroid of the triangle. Then AO = BO = CO = r Force on the charge Q due q1 = [1/4pie...
0 votes
answered Feb 26, 2016
A = 6x^2 dA/dx = -12x or dA = -12xdx given dA = [1/100]x [dx]=( 0.01x)(-12x) = -0.12x Therefore A...
0 votes
answered Feb 26, 2016
Let E1 be the probability that a wins, E2 be the probability that B wins and E3 be the probability t...
0 votes
answered Feb 25, 2016
P(E1)  =  balck ball drawn from first bag = 3/7  and P(E2) =  white ball drawn f...
0 votes
answered Feb 25, 2016
If two vectors are collinear, then 2/a = -3/6 = 4/-8 = -1/2 therefore a = -4
0 votes
answered Feb 24, 2016
V= (4/3)πr^3 = (1/6)πD^3 dv/dD=(1/2)πD^2 Let ∆D be the error in D and ∆V be the corresponding erro
0 votes
answered Feb 24, 2016
Refer qn ID 65828 in clay6 qns
0 votes
answered Feb 24, 2016
P(x)=x(x-1)(x^6+1)+15=0 This implies x has no real roots
0 votes
answered Feb 24, 2016
S.I = pnr/100 1000-800=200 200 = 800x2xr/100 Therefore r=12.5%
0 votes
answered Feb 24, 2016
It is Brewster's angle. tan IP= √3 Therefore angle of incidence = 60°
0 votes
answered Feb 24, 2016
1/v+1/u=1/f Let u=x V=32-x Substituting these values in the mirror formula ,we get X^2 -8x - 38...
0 votes
answered Feb 22, 2016
the shiny metal disc in the power meter rotates due to the eddy currents. The magnet rotates inside ...
0 votes
answered Feb 17, 2016
1) f(x0 = e^x f'(x) = e^x f''(x) = e^x When f'(x)= 0  i.e., e^x = 0, but e^x is not equal to...
0 votes
answered Feb 17, 2016
f(x) = x^3-12x^2+36x+17 f'(x) = 3x^2 - 24x +36 f''(x) = 6x-24 To find th emaximum or minimum valu...
0 votes
answered Feb 17, 2016
Let the equation of the line be x/a + y/a =1 since it passes through (2,3) 2/a +3/a = 1 5/a = 1 ,...
0 votes
answered Feb 11, 2016
A) a^2=b^2(1-e^2) = 100=400(1-e^2) therefore e = sq rt of 3/2 Foci = (0,10sq rt 3),(0,-sqrt3) Ver...
0 votes
answered Feb 11, 2016
Refer Qn Id 37565. already answeredin Clay6
0 votes
answered Feb 10, 2016
Equation of the circle is x^2+y^2=4 Equation of the line which cuts the circle is x=-1/2 Hence the...
0 votes
answered Feb 7, 2016
For a parabola SP^2 = PM^2 (x-0)^2 = (y-0)2 =( x+6)^2 on expanding and simplifying we get, y^2 = ...
0 votes
answered Feb 5, 2016
the displacemant is (3-3)i+(1-2)j+(7-5)k Work done = F.d = (2i+3j-3k).(0-1j+2k) =-3-6 = -9J Hence ...
0 votes
answered Feb 3, 2016
differentiate x^2,y^2 and Z^2 partially w.r.t x,y and z respectively dEx = 2x,dEy = 2y and dEz = 2z...
0 votes
answered Feb 3, 2016
Because it will draw less current.
0 votes
answered Jan 30, 2016
Incomplete question
0 votes
answered Jan 28, 2016
The effect of torque is to rotate the dipole to a position in which the dipole moment P is parallel ...
Home Ask Tuition Questions
Your payment for is successful.
Continue
...