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Five equal forces of 10 N each are applied at one point and all are lying in one plane.If the angles between them are equal,the resultant of these forces will be: (A)zero (B)10 N (C)20 N (D)10 2 N ...

A truck travelling due north at 50km/hr turns west and travels at the same speed.What is the change in velocity? (A)50km/hr north-west (B)50 2 km/hr north-east (C)50 2 km/hr south-west (D)50 2 km/hr south-east (I had a confus ...

Resonance occurs in a series LCR ckt when the frequency of the applied emf is 1000 Hz.Then (a)when frequency=900 Hz, then the current through the voltage source will be ahead of emf of the source. (b)the impedence of the circ ...

A pulley fixed to the ceilling carries a string with blocks of mass m and 3 m attached to its ends. The masses of string and pulley are negligible. When the system is released, its centre of mass moves with what acceleration ...

page-121 question22. reply asap! ...

A wind powered generator converts wind energy into electrical energy . assume that the generator converts a fixed fraction of the wind energy intercepted by its blades into electrical energy. for wind speed 'v', the electrica ...

What is the number of electrons in cyclobutadienyl anion? ...

What is the structure of cyclobutadienyl anion(C4H4)2- ? I dont understand where the -ve charges will be placed. ...

Which of the following is/are correct: ...

greater is the s-character .................... is the bond energy... (A) Greater (B) lower (C) both (D) none of these ...

How does the water accelerate the reaction rate in diels-alder reaction? can you guys explain detaily? ...

Q. In de brogile equation what is the units of KINETIC ENERGY?? ...

What is the minimum velocity of a projectile to cross a point (a,b) if it starts from the origin? Please show the proof. ...

Arrange in order of Elecctronegativity .Oxygen(A), Chlorine(B), Sulphur(C). ...

The figure shows a ray incident at an angle i=π/3 . The ray is refracted and angle of refraction is r. The value of r changes between 0 to π/2when the ratio μ1/μ2 = k is changed. If the plot drawn shows the variation of | ...

I want some question bank on Chapter Motion for Practice. ...

A vertical pencil of rays comes from the bottom of a tank filled with a liquid.When it is accelerated with an acceleration of 7.5 m/s2 , the ray is seen to be totally reflected by liquid surface.What is the minimum possible r ...

A body of mass M is kept in rest on an inclined plane of inclination angle ~ heta . Net force acting on it is: ...

The roots of the equation {7^{{{log }_7}}}^{({x^2} - 4x + 5)} = x - 1 are ...

Calculate the percentage of available chlorine in a sample of 3.546 g of bleaching powder which was dissolved in 100 mL of water,25 mL of this solution,on treatment with KI and dilute acid,required 20 mL of 0.125 N sodium thi ...

Which of the following is an expression of ideal gas equation- ...

If sin-1x + tan -1x = frac{pi }{2} , then 2x2 + 1= ...

In which of the compounds given below is there more than one kind of hybridisation (sp,,s{p^2},,s{p^3}) for carbon (i) C{H_3}C{H_2}C{H_2}C{H_3} (ii) C{H_3} - CH = CH - C{H_3} (iii) C{H_2} = CH - CH = C{H_2} (iv) H - C equiv C ...

Gradient of an inclined plane gives us an idea about (according to literal definition): ...

(a)A zinc rod weighing 25.00 g was kept in 100 mL of 1 M CuSO4 solution.After a certain time molarity of Cu2+ in solution was 0.8 M.What was the molarity of the sulphate ion(SO42-)?What was the weight of the zinc rod after cl ...

In the above problem, if {{M}_{1}}={{M}_{2}}=5,,kg and α = β = 30o, what is the tension in the string ...

Two long, parallel conductors carry currents i1=3.0 A and i2=3.0 A, both directed into the page, detemine the magnitude of the resultant magnetic field at point P. *Image* ...

Carbocation which is most stable ...

In a series LCR circuit the frequency of the source is half of the resonance frequency. Then how can I comment about the nature of the circuit,,,like whether it is capacative or inductive or purely resistive?? ...

In the figure shown a light container is kept in a horizontal rough surface of coefficient of friction μ= sh/v .A very small hole of area s is made at a depth h.Water of volume v is filled in the container.The friction is no ...