Recently Active Physics Questions

Laila has to cross a track of ice to reach the other side of the river to meet Majnu as soon as possible... :P Now laila has 2 ways either to skid through the first track or the 2nd one.. The image shows the vertical section ...

*Image* Figure shows a smooth track a part of which is a circle of radius R. A block of mass m is pushed against a spring constant k fixed at the left end and is then released.Find the initial compression of the spring so tha ...

is it necessary to study inversion of organic compounds and oblique collisions ...

A 2kg is slid along the frictionless floor with initial transverse velocity(10m/s)along k axis.Describe the motion(a) in car's frame.(b) in ground frame. What are cold welded joints(regarding friction)? Three forces are actin ...

Q1) when a dielectric slab is inserted between the plates of a parallel plate capacitor the energy of the system decreases.What can be said about the force on the slab exertd by the feild? Q2) A positive charge of 2*10^-8 cou ...

*Image* bLOCK a OF MASS M is released from rest.No friction anywhere..It undergoes 2 completely inelastic collisions.,first with the plane and then with a block of B mass 2m. and sticks to it.A total of 21J mechanical energy ...

Two blocks A and B are kept on a rough surface of coefficient of friction u=0.1 . Block B is pulled with a constant time varying velocity v(t)=0.1t . Spring constant is k=100 N/m.Then answer the following : 1. Work done by sp ...

*Image* if the system is slightly disturbed the rod starts falling down in the direction of the block, form equations to find velocity of block at the instant it leaves contact with the ball (i have solved this one....but jus ...

The time period of physical pendullum is minimum when its length is equal to the radius of gyration about its centre of gravity ...

*Image* i want answer to Q7 Q8 for targetiitians ...

As there is a large separation between molecules of gas,what is in between the molecules ? Is vacuum existing there ? ...

THE RMS CURRENT FLOWING THROUGH THE INDUCTOR AND CAPACITORARE 0.6A AND 0.8A RESPECTIVELY.THEN CURRENT COMING OUT OF SOURCE *Image* ...

the impedance f a series circuit in an ac circuit is ...

Consider building the the following resistor.Start with a sqr of length L.Connect the centers of each side to form another square. Connect the centers of each square to form yet another square,and so on,to infinity. What is t ...

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*Image* In the system shown in figure all surfaces are smooth. Rod is moved by ext. agent with acceleration 9m/s2 downward vertically. Force exerted by the wedge on the rod is __________ . Please show the working.... ...

*Image* The pipe has uniform cross section area.the base is removed.height of water is H I don know what i am doing wrong. :( AVa=AVb Va=Vb=v now by bernaullis theorem at point A and B Patm+ρgH+ρv2/2=Patm+ρv2/2 ρgH=0 [5] ...

In HCV vol 1 - pg no. 269 - Example 7 In the very first line of the solution, the height inside the water is calculated as 3cm*0.8 = 2.4cm. How is this calculated?? ...

Which is the best problem solving technique in work energy power questions I am having trouble solving those also when to apply conservation of mechanical energy and when conservation of linear momentum ...

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not my dbt *Image* ...

How does work done depend on the frame of reference ? ...

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I was reading the Indigo book. On page number 25, under the topic DIMENSIONAL ANALYSIS, I could not understand one reason during the explanation of the example of DERIVATION OF A FORMULA. Please elaborate the BOLD and UNDERLI ...

+ve plate of a capaciyor given a charge of 2*10^-8 c while -ve plate given a charge of -1*10^-8C ... Capacitence of Capacitor is 1.2 *10^-9F... Calculate PD ...

*Image* A ball connected with a string is released at an angle 45° with the vertical. Then acceleration of the box at this instant will be (mass of the box = mass of the ball and the box is lying on a smooth surface) : a) g/ ...

How to determine motion of a point when work done by it is 0 and why ??? ...

Ques1) A conducting sphere is placed between two charged par- allel plates . Does the electric field inside the sphere depend on precisely where between the plates the sphere is placed? What about the electric potential insid ...