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A force of 100 N is applied on a stationary block of mass 3kg as shown in figure. I f the coefficient of frictioon between the surface and the block is 0.25 what is the magnitude anddirection of frictional force what is the m ...

1.How do curves of following differ(if they) a) y=log3x2 and y=2log3x b) y=2log2x and y=x c) y=tanx.cotx and y=1 2.Sketch the curves of following without help of calculus............ (draw the rough sk ...

how to find inverse by graph! let take example x+sinx?? ...

*Image* in the shown figure a) if both ammeter &voltmeter are ideal,then reading of A is 0 & V is 10V b) if both A & V r ideal,reading of A=10A & v=0 c) if A is non ideal & V is ideal,then reading of A is less than 10 ...

Find the area bounded by the curves x2+y2=4, y=x2+x+1, y=[sin2(x/4)+cos(x/4)] and the x-axis,where [.] denotes greatest integer function!! ...

*Image* find 1. potential diff btw D & E 2. current through branch BG 3. current through battery btw A & B. try to do wthout using Kirchoff's law ...

CH3CH(CH3)CH2CH2CH2Br + NaN3 in (CH3OH, H2O) → wat will be the product ? as the solvent is polar protic and N can form hydrogen bond with H, so will the reaction take place ? ...

Opened And Closed Lockers A school hallway has a thousand lockers. A student goes down the hallway opening every locker. Then a second student goes down the hallway closing every other locker. A third student goes down the ha ...

wel ive cum across many questions of this type..........BUT......... wat is d exact procedure doin such questions??????????? -What is the number of positive integers which divide (2 ...

ABC is a right angeled isoceles triangle with B=90° .it slides in the X-Y plane with its vertex A on the Y axis and with the vertex C on the X axis and such that the origin and the vertex are at the opposite side of AC.f ...

Discuss everything related to 2nd Phase test here [1] All queries ... related to any question/explanation or anything [3] ...

A bag contains n white balls & n red balls.Pairs of balls are drawn without replacement until the bag is empty.Find the probability that each pair consists of one white ball & one red ball. ...

In which site do we have to verify whether our application is received or not? please hurry . ...

By mistake I sent only the 10th class marksheet along with my 10th class form..........and forgot to attach class 10 admit card..................what should i do now???????????? ...

............................................................................................................................. hey.. all head 2 ar rahmans latest jiya se jiya... iit preparation next........;-) ...

Four equal charges q0 are kept fixed on the vertices of a square of side 'a'. A charge q is kept at the center of the square. Then : a) charge q is in stable equilibrium b) charge q is not in stable equilibrium c) cha ...

Maxima Minima. Among All quadrilaterals of Perimeter P, which has the highest area.. * Prove.. It is a square. ...

This is very simple and basic question The pH of aqueous solution of NaOH is given 7.3 at 298 K Find the concentration on Na+ in the solution Kw=10-14 Provide your method also ...

if 007 is james bond ..... . . . then what is 111 ????????? ? ? ...

A variable st. line cuts off from the given st. lines concurrent at origin,intercepts ,the sum of reciprocals of which is a non zero constant K.Show that varibale line passes through a fixed pt. whose coordinates are (i=1 ...

An element X forms iodide XI3 and chloride XCl3.The iodide is quantitavely converted to the chloride when heated in stream of chlorine. 2XI3+3Cl2---->2XCl3+3I2.If 0.5 g of XI3 is treated ,0.2360g XCL3 obtai ...

what is molarity of sodium hydroxide solution which is 15.2% NaOH by wt.The specific gravity of solution is 1.12g/mL ...

In the arrangement shown in the figure,find the acceleration of M.The pulleys and strings are light! *Image* ...

In the given reaction at 300K C6H6 + 15/2O2---------->6CO2 + 3H2O enthalpy= -3271kJ What is change in the internal for the combustion of 1.5 mole of benzene at 300K? a)-3267. ...

The tangent to a variable point P on the curve y=x2-x3 meets the curve again at Q. Show that the locus of the middle point of PQ is y=1-9x+28x2-28x3!!!!!!!!!!!!!! ...

determine a differentiable function y=f(x) which satisfies f'(x)={f(x)}2 and f(0)=-1/2. Find also the equation to the tangent at the point where the curve crosses the y-axis!!!!!!!!! ...

a boat floating in a water tank is carrying a number of large stones. if the stones were unloaded into water , what will happen to the water level ?...give reason to it ! ...

a triangle is immersed in a liquid with its base towards the surface. how must we divide the triangle into two parts by a straight horizontal line such that equal thrust acts on the parts ? ...

Why pyridine is stronger base than Cl- ? give reason ...

*Image* find the order of x,y,z bond lengths ...