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(chatquestion)...4. (a) Suppose a particle P is moving in the plane so that its coordinates are given by P(r, y), where r = 4 cos 2t, y = 7 sin 2t. (i) By finding a, be IR such that y? = 1, show that P is travelling on an elliptical a? %3D path. [10 marks
other
telegram-2940
asked
Jun 26, 2020
by
922971828
1
answer
(chatquestion)...A very long solenoid is made out of a wire with n turns per unit length. The radius of the cylinder is a and is negligible compared to its length 1. The interior of the cylinder is filled with materials such that the linear magnetic permeability varies with the distance r from axis according to = constant ; for 0 <r <b µ(r) = [l2 = constant ; for b <r <a] The self inductance of the solenoid is (A) zn²l[µb² + µra²] (B) Tn²1[µ1+ µz]a² (C) tn²l[µb² + µ2(a² – b?)] (D) în²l[µb² + (µi+ µ2) a²]...(Please answer this question
other
telegram-2936
asked
Jun 26, 2020
by
1186066373
1
answer
(chatquestion)...TORC MAP LEAFS Find the solution of the initial Kalue problem and determined ts Th terval of existence fred that is domain of the resutting function y). (t +l) dy =l-y Hust: let A== TO...(Help)
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telegram-2931
asked
Jun 26, 2020
by
922971828
0
answers
(chatquestion)...45indthe vales 11
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telegram-2917
asked
Jun 26, 2020
by
1185198745
1
answer
(chatquestion)...f A is quare matuix such that A? =A, thenwrite the value of 7A -CI+A) matrix. هحفاديا I is an indentinty
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telegram-2914
asked
Jun 26, 2020
by
1240774944
1
answer
(chatquestion)...Dete. Pege. find the 4. 8. 24 valeu of xi
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telegram-2909
asked
Jun 26, 2020
by
1116882826
1
answer
(chatquestion)...Find the Pautieulay soluton of the diffenential equation (tan-1y-x) ay=(1+y2) dx, given that when 0.
other
telegram-2900
asked
Jun 26, 2020
by
1162741348
1
answer
(chatquestion)...Find the area of the seegion bounded by the and y= x. (24) gauabola yer?
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telegram-2899
asked
Jun 26, 2020
by
1039420553
1
answer
(chatquestion)...28. A manufacturer considers that men and women workers are equally efficient and so he pays them at the same rate. He has 30 and 17 units of workers (male and female) and capital respectively, which he uses to produce two types of goods A and B. To produce one unit of A, 2 workers and 3 units of capital are required while 3workers and 1 unit of capital is required to produce one unit of B. If A andB are priced at j- 100 and j- 120per unit respectively, how should he use his resources to maximise the total revenue ? Form the above as an LPP and solve graphically. Do you agree with this view of the manufacturer that men and women workers are equally efficient and so should be paid at the same rate ?
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telegram-2896
asked
Jun 26, 2020
by
1197428853
1
answer
(chatquestion)...Show that : 4– V7 3 sin 2 1 -1 tan 4 3
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telegram-2890
asked
Jun 25, 2020
by
1162741348
1
answer
(chatquestion)...Date. Page. the greatest srectangle that Can be inscibed în Find the amea an ellipse X2+42=1 2 2 92
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telegram-2887
asked
Jun 25, 2020
by
1116882826
1
answer
(chatquestion)...la. Evaluato 18. dx
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telegram-2880
asked
Jun 25, 2020
by
1185198745
1
answer
(chatquestion)...OR 4. Find the equations of tangents to the curve 3x2 - y2 = 8, which pass through the point
other
telegram-2875
asked
Jun 25, 2020
by
1203137957
1
answer
(chatquestion)...ČI is 1.5 D. The dipole mon 61. Dipole moment of of is (a) 1.5 D (c) 1D (b) 2.25 D (d) 3 D (WB J...(Ye question kaise solve Hoga?
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telegram-2873
asked
Jun 25, 2020
by
829580964
1
answer
(chatquestion)...O Find the fnom the nigin +21=0 lengththe penpendtculan daaun to the plane 2x-y
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telegram-2869
asked
Jun 25, 2020
by
1203137957
1
answer
(chatquestion)...VI+kx-I-kx if-1<x<0 E. Find the value of k, for whichf(x)= is continuous at x = 0. 2x+1 if 0<x<1 X-1'
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telegram-2865
asked
Jun 25, 2020
by
1185198745
1
answer
(chatquestion)...Worite the valuO of tean-Y2sin 2.
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telegram-2862
asked
Jun 25, 2020
by
1240774944
1
answer
(chatquestion)...Page. A werite the principal valu of tan? (3)-cot-d C13)
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telegram-2859
asked
Jun 25, 2020
by
1116882826
1
answer
(chatquestion)...If the system of linear equations 2x + 2y + 3z = a, 3x – y + 5z = b, x – 3y+ 2z = c where a, b, c are non-zero real numbers, has more than one solution, then (а) b + с - а%3D0 (c) b - с +а%3D0 (b) a + b + c = 0 (d) b-c- a = 0 (January 2019)
other
telegram-2857
asked
Jun 25, 2020
by
736563939
1
answer
(chatquestion)...-2 4+d (sin 0) - 2 (sin e) +2 (2sine) – d (-sin e) +2+ 2d Let d e R, and A= 1 d 5 0E [0, 2T]. If the minimum value of det(A) is 8, then a value of d is (e) 2(/2+2) (b) -7 (c) -5 (d) 2(/2+1) (January 2019)
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telegram-2855
asked
Jun 25, 2020
by
736563939
1
answer
(chatquestion)...125. The lowest pressure (the best vaccum) that can be created in laboratory at 27°C is 10- mm of Hg. 9 At this pressure, the number of ideal gas molecules per cm will be :- (1) 3.22 x102 (2) 1.61 x 10 (3) 3.21 x10 (4) 3.22 x 105...(How will this question be solved? Please somebody solve this and explain it
other
telegram-2852
asked
Jun 25, 2020
by
829580964
1
answer
(chatquestion)...A balloon contains 14.0 L of air at 760 torr. What will be the volume of the balloon when it is taken to a depth of 10 ft. in a swimming pool? Assume that the temperature of the air and water are equal. (density : Hg = 13.6 g/mL.) (а) 11.0 (b) 11.3 (c) 10 (d) 10.8
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telegram-2849
asked
Jun 25, 2020
by
1066353611
1
answer
(chatquestion)...32 A English Two coils carrying current in opposite are placed co-axially with centers at some finite seperation. If they are brought close to each other then current flowing in them should be : direction 1 Decrease Increase 3 Remain same Zero
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telegram-2847
asked
Jun 24, 2020
by
917681912
1
answer
(chatquestion)...Ecosystem 6 The maximum biomagnification would be Vin which of the following in case of aquatic ecosystem? Je) Fishes (c) Birds [CBSE AIPMT 1999] (b) Phytoplanktons (d) Zooplanktons...(Iska answer fish Hoga ya bird Hoga? Please tell
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telegram-2843
asked
Jun 24, 2020
by
829580964
1
answer
(chatquestion)...1. If p+q +r= 0 = a + b + c, then the value of the determinant pa qb ra pbis rc qc rb pc qa
other
telegram-2839
asked
Jun 24, 2020
by
736563939
1
answer
(chatquestion)...Example 7.48 x +y- 2z 0, 2r - 3y +z = 0, x – 5y + 4z = i is consistent and find the solutions for all such values of 2. Find 1 for which the system of equations
other
telegram-2837
asked
Jun 24, 2020
by
736563939
1
answer
(chatquestion)...Vx-2+ Vx-V2 Vx² -4 | lim X>2...(Evaluate)
other
telegram-2835
asked
Jun 24, 2020
by
430869087
1
answer
(chatquestion)...1. Two infinite linear charges are placed parallel at 0.1 m apart. If each has charge density of 5 µC/m, then the force per unit length of one of linear charges in N/m is : (1) 2.5ALLENAL (2) 3.25 ALLENA (3) 4.5 ENALLE (4) 7 ALL...(pl help me option not matching)
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telegram-2833
asked
Jun 23, 2020
by
876954406
0
answers
(chatquestion)...(AlMMS) 10. Assertion : A solution of sucrose in water is dextrorotatory. But on hydrolysis in the presence of a little hydrochloric acid, it becomes laevorotatory, Reason : Sucrose on hydrolysis gives unequal amounts of glucose and fructose. As a result of this, change in sign of rotation is observed. (a) If both assertion and reason are true and reason is the correct explanation of assertion. (b) If both assertion and reason are true but reason is not the correct explanation of assertion. (c) If assertion is true but reason is false. (d) If both assertion and reason are false. a is 6 (AIIMS)...(Isla answer c kaise hai....please explain somebody?
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telegram-2831
asked
Jun 23, 2020
by
829580964
0
answers
(chatquestion)...1.5 20 If object is at 20 cm distance from silvered plano refractive is 1.5µ images is at a distance 20 cm. What is radius of curvature : convex lens whose
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telegram-2826
asked
Jun 22, 2020
by
917681912
0
answers
(chatquestion)...86. The density of a 56.0% by weight aqueous solution of 1-propanol (CH,CH,CH,OH) is 0.8975 /cm. What is the mole fraction of the compound ? (a) 0.292 (b) 0.227 (c) 0.241 (d) 0.276...(Photo from Sandeep Sharma)
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telegram-62442
asked
Jun 21, 2020
by
818942924
1
answer
(chatquestion)...An electron is sent in electric field of intensity 9.1x 106 NC-1. The acceleration produced is (mass of electron = 9.1x 1031 kg) (a)1.6 ms-2 (c)3.2x 1018 ms 2 (b) 1.6× 1018 ms2 (d) 0.8x 108 ms2
other
telegram-2818
asked
Jun 20, 2020
by
1175114812
1
answer
(chatquestion)...[4 -2 3 [-2 -5 2 -1 3 Let three matrices A = 2 8 -3 5 C =| 3 B = %3D -1 4 3 -6 4 4] (A(BC)3 + Tr3 1 2 -2 (A(BC): + Tr³ АВС The value of log Tr (A A) + Tr3 + ...+∞ IS 21 4 8 [Note: Tr.(P) denotes trace of matrix P] and Tr(A) = (Tr(A)) (1) -4 (2) (3) (4) 4 O 1) O 2) O 3) O 4
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telegram-2815
asked
Jun 20, 2020
by
611582469
1
answer
(chatquestion)...An insulating thin rod of length 1 has a linear charge density p(x)=Po7 on it. The rod is rotated about an aw passing through the origin (x = 0) and perpendicular to the rod. If the rod makes n rotations per second, then the time averaged magnetic moment of the rod is %3D ( a) πηρ,/3 (b) 쓸mpol3 (e) mp TC (d) проlв (January 2019) 4
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telegram-2810
asked
Jun 20, 2020
by
736563939
1
answer
(chatquestion)...06:55 il LTE 100 5:M 1 of 1 ...0.1KB/s ČD 4G (a) -1.5 A (c) + 1.0 A (b) + 1.5 A (d)- 1.0 A 87.) In the circuit shown below each resistance is R. The current I is 15% (a) 7R R R. 7V R (b) 15R C 7V (c) 15V Vo (d) ww ww
other
telegram-2807
asked
Jun 19, 2020
by
1029628805
1
answer
(chatquestion)...28. A second harmonic has to be generated in a string of length / stretched between two rigid supports. The points where the string has to be plucked and touched are respectively (1) 2 I 31 (2) 4' 4 (3) 2'2 | 31 (4) 2'4 -/2
other
telegram-2801
asked
Jun 18, 2020
by
917681912
1
answer
(chatquestion)...There are 15 products of which 3 are defectives .If three products are drawn at random then what is the probability of getting at least 2 defective
other
telegram-2785
asked
Jun 17, 2020
by
828571989
1
answer
(chatquestion)...b. By the definition f(x + h) – f(x) lim %3D Verify that f (r) = sec r tan r if f(x) %3D = sec x....(Photo from NAFEES)
other
telegram-2781
asked
Jun 16, 2020
by
922971828
1
answer
(chatquestion)...CH2-OH CH-CH2 CH- CH- CH-CH, 2- -3-chloremethyl CH -e CH3 2. 2-...(Are both crt... Pls anyone)
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telegram-2775
asked
Jun 15, 2020
by
912178426
0
answers
(chatquestion)...30 English A force of -F k acts on origin, then the torque about the point (1, –1) is :- F (i-i) 1 F (i+i) 2 Your Answer 3 -F (i+j) F (1-i) 4 +
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telegram-2771
asked
Jun 15, 2020
by
917681912
1
answer
(chatquestion)...A horizontal heavy uniform bar of weight W is supported at its end by two men. At the instant, one of the men lets go off his end of the rod, the other feels the force on his hand changed to :- 1 W W/2 3 3W/4 Your Answer 4 W/4
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telegram-2769
asked
Jun 15, 2020
by
917681912
1
answer
(chatquestion)...4x+1 2. Find the partial fraction decomposition of the rational function- .hence show that xa-r2-x+1 -+ C. 4x+1 J-x2-x+1 dx =In|x+1 + In]x- 1- (15 marks) 2x-2
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telegram-2765
asked
Jun 14, 2020
by
922971828
1
answer
(chatquestion)...51. The variation of rate constant with temperature follows the equation In k = 30- 40 +20T -301n T T based on this information, identify the most appropriate option. (A) E at 300 K is approximately equal to 1.08 × 10 R. (B) E will remain constant at all temperatures. (C) There is some temperature greater than 50 K where E, will become negative. (D) Rate constant will follows Arrhenius equation.
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telegram-2761
asked
Jun 14, 2020
by
1022337024
1
answer
(chatquestion)...1:44 86%I TEST FEEPBACK Q.20 SINGLE CHOICE A solid, uncharged conducting sphere of radius 3a contains a concentric hollowed spherical cavity of radius a. За A point charge +Q is placed at the center of the spheres. Taking V = 0 at r oo, the potential at position r = 2a from the center is- KQ a KQ 2a KQ За Correct Answer (Your Answer) 2KQ PREVIOUS NEXT II
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telegram-2748
asked
Jun 13, 2020
by
1029628805
1
answer
(chatquestion)...2. Vapurur puesued of water at 293 k 17.51 Lowering vgkour paehure f mm Calkulate silga2salh is ) Relative lowexing 1) vabourpressure 0.ODGI4 mm. Vapner presude d Dthe seln.
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telegram-2745
asked
Jun 13, 2020
by
1198697217
1
answer
(chatquestion)...Problem 1 A sample of 500 respondents was selected in a large metropolitan area to study consumer behavior. Among the questions asked was, "Do you enjoy shopping for clothing?" Of 240 males, 136 answered yes. Of 260 females, 224 answered yes. Construct a contingency table or a Venn diagram to evaluate the probabilities. What is the probability that a respondent chosen at random: Enjoys shopping for clothing? b. a. Is female and enjoys shopping for clothing? Is female or enjoys shopping for clothing? Is a male or a female? C. d.
other
telegram-2741
asked
Jun 13, 2020
by
1070900215
0
answers
(chatquestion)...A block attached with a spring is kept on a smooth horizontal surface. Now the free end of the spring is pulled with a constant velocity u horizontally. Then the maximum energy stored in the spring during subsequent motion is: smooth m F mu² (B) mu? (C) 2 mu? (D) 4 mu?
other
telegram-2733
asked
Jun 13, 2020
by
736563939
1
answer
(chatquestion)...Ph H* Ph-C-O-OH Ph-C-Ph-OMe + (D) H.O Ph OMe...(Sir iska mech. And correct product kya higa)
other
telegram-2718
asked
Jun 12, 2020
by
955910236
0
answers
(chatquestion)...1If the value of "Co + 2 · nC, + 3. "C2 + ... + (n + 1) · "C, = 576, then n is %3D (1) 7 (2) 5 (3) 6 (4) 9
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telegram-1814
asked
Jun 12, 2020
by
715270670
0
answers
(chatquestion)..."Co "C "C2 Consider the sequence if 1.2.3 2.3.4' 3.4.5 n = 50, then greatest term is (1) 30th (2) 24th (3) 26th (4) 27th
other
telegram-1812
asked
Jun 12, 2020
by
715270670
1
answer
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