Recently Active Physics Questions

i am having 1988 edition of morrison and boyd will i loose sumthing ...

*Image* answer given is b) but shouldnt it be a) becoz Fnet=Fc-W=m(2gR)/R-mg=mg ...

Q A ball hits the floor and rebounds after an inelastic collision. a)The momentum of ball just after colision is same as before collsion b)teh mech energy of ball remains conserved in teh collision c)the total momentum of bal ...

Solve x5+x+1. ...

I have been loathing for a couple of physics books... Couldnt get them in the market.. ANy of you who have 200 puzzling physics problems (http://books.google.co.in/books?id=B7GNWSXQn1QC&dq=200+puzzling+physics+problems&prints ...

3.290 A metal disc of radius a=25cm rotates with a constant angular velocity ω=130 rad/s about its axis. Find the potential difference between the rim and the centre of the disc if the external magnetic field is absent ...

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*Image* are the answer a,b,c,d ??? ...

Find the emf induced across the ends P and Q of the conducting circular loop moving with a velocity (v) in the given magnetic region which has uniform magnetic field (B) directed into the plane of the screen!! *Image* ...

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heyy ppl..can sum1 tell me.how to concentrate in physscs...m done a lott wid chem n maths..but cant just study physics...any helpp????? ...

when released ,the mass 2m falls a distance x before the limp string becomes taut.thereafter both the mass on the left rise with the same speed.what is the final speed. *Image* i have applied impulse momentum theoram.but not ...

Two soap bubbles of radius R1 and R2 are joined by a straw.Air goes from one bubble to another and a singel bubble of radius R3 is formed.What is surface tension of soap solution if the atmospheric pressure is P0 ? ...

A sphere made of 2 non identical homogenous hemispheres stuck together is placed on an inclined plane placed inclined at angle 30 to the horz.Can the sphere remain in equilibrium on inclined plane ? ...

*Image* a block of mass m is attached as shown .at equilibrium both the springs are compressed by same length if suddenly lower spring is cut. what is the accelaration of the block just after the spring is cut ...

masses m1 and m2 both 10 kg are connected by a spring (k=100 N/m). Coeff of friction with ground is 0.04. wat is the minimum constant horizontal force to be applied on m1 to just move m2? ...

*Image* *Image* solve the pbm 1.145 or pls give hints. ...

Ques1) *Image* An infinite wire having charge denisty λ passes through one edge of the cube having edge length ' l ' .The wire is just inside the cube. Find the (a)Total flux passin through the cube. (b) Flux passing through ...

A point charge q is placed at origin. Calculate the electric flux through the open hemispherical surface : (x-a) 2 + y2 +z 2 = a 2 , x ≥ a. ...

1. *Image* the co-effnt of friction us=0.6,uk=0.4 btwn 12kg block and 3kg rod.Find the magnitude of the acceleration of the 12kg block immediately after the wire ab is cut (both the angles=30deg.) a.5 b.8 c.2.5 d.N.O.D 2. *Im ...

A body is moving in a circular motion of constant radius a)net acc of body may be towards centre of circle b)net acc of body may not be towards centre of circle c)KE=constant d)velocity must change ...

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A highly expexted good question for JEE which is made by me with a GREAT MIND. Find the tension in the thread at the last block placed at infinity. Each block is of mass m and the masses of the thread and pulleys are negligib ...

can magnification due to convex mirror be negaive ?????(for both real and virtual objects) ...

Two bars f masses m1and m2 connected by a non deformed light spring rest on a horizontal plane. The coefficient of friction between surface and the bodies is μ. What minimum constant force has to be applied in the horizontal ...

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Q=1> A ship travelling at 10m/s. A dolphin at 5m/s along a line parallel to that of the ship and at a distance of 30 metre from it. The visibility is 50 metre. Find the maximum time for which the dolphin will be visible fr ...

a capacitor wid charge Q is attached tpo anoder capacitir of same capacitence C through a resistor of R.....find the charge on d oder capacitor as a fucntion of timee..:) ...

A block moves down an incline with a constant velocity. What is the force exerted by the incline on the block ? ...

A block moves down an incline with a constant velocity. What is the force exerted by the incline on the block ? ...