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find the derivative of mod(cosx) +mod(sinx) at x=2Ï€/3 ...
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can anyone suggest a website offering help in chemistry. i m very confused with this subject. ...
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FIND MODULUS OF sin(x+iy) ...
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a thin semicircular ring has a +ve charge q uniformly distributed over it. the net field at the centre is ..... i did it like this E=o∫Π1/(4Πε0)* q/(2πr)*rdθ sinθ/r2 j =q/(2π2ε0r2) j but the ans is negative of that ...
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which is the best sign convention in optics? ...
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a ball of mass m is thrown up with a vel. 10 m/s.and it returns to the hand of the thrower with a vel .of 9 m/s. find the height attained by the ball(take level of hand to be 0 and air resistance to be uniform) ...
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*Image* two blocks each of mass M are connected to the ends of a light frame as shown in figure. the frame is rotated about the vertical line of symmetry the length of each side being l.the rod breaks if the tension in it exc ...
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i have problems in predicting the products of a reaction.can these be predicted .if yes how? ...
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a ball is dropped onto a horizontal plane from a height h above the ground. if the co-efficient of restetution is e find the total distance traveled before the ball comes to rest? ...
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find the digit in tenth place of the sum1!+2!+3!+...........+49! ...
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i hav problems with sign conventions in work,power,energy somebody told me to use co-ordinate sign conventions in the whole of mech.. is it a good idea ...
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next yr. i will be in xii . i want to pursue a corresp. course .which one will be better fiitjee, brilliant or anything else ...
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for what values of "m" is y=0,if y=x2+(2m+1)x+m2-1?x is a real number. ...
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A0.1M solution of NaCl is found to be isotonic with 1% urea solution.Find (1)van't Hoff's factor and (2)degree of ionization of NaCl. ...
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does the limit exist- limx-0xsin1/x ...
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25 ml of a gaseous hydrocarbon having the same rate of diffusion as nitrogen,and methane effuse through a hole in 173 min,while the same volume of nitrogen effuses in 200 min under the same conditions calculate the contractio ...
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a spherical balloon with a diameter of 21 cm is to be filled up with hydrogen at STP from a cylinder containg the gas at 20 atm and at 27°C. If the cylinder can hold 2.82 L of water,calculate the number of balloons that can ...
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solve for x (1/2)x+(√3/2)x=1 ...
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find the largest integer n such that n+5 divides n3+25 ...
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why is the charge on a charged spherical conductor assumed to be concentrated at the centre? ...
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find the coefficient of x50 in the expression (1+x)1000+2x(1+x)999+3x2(1+x)998+...+1000x999(1+x)+1001x1000 may be it is a sum from any common book bu i do not have the solution .i found it in my state book exercise. ...
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is it better to study calculus from the beginning of class xi or it's better to finish other topics and then go for calculus? ...
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three missionaries and three cannibals need to cross a river in a boat that can hold only two people.the missionaries must be careful to never allow the cannibals to outnumber them on either shore. how can everyone cross the ...
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does the a. dasgupta book contain sufficient theory or is it just a practice book? ...
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calculate the mass of oxygen in grams present in 0.1 mole of Na2CO3.10H2O.explain how to solve these types of compounds ...
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rajiv sir, which books to study for mathematics cl-xi ...
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is knowledge of black body radiation essential for entrance exams ...
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is there any trick to learn the periodic table ...
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what is the 1000th term of the series 1,2,2,3,3,3,4,4,4,4... ...
