Recently Active Physics Questions

Find the forces on the block blocks (including friction) The friction between the lower and upper block is N and lower and ground is n *Image* ...

a parachutist after bailing out falls 50m without friction wen parachute opens it decelerates at 2m/s2 he reaches d ground with a speed of 3m/s at what height did he bail out? d equation of d straight line wich bisects d inte ...

Two bubbles (same liquid) of radius r and R (R>r) are connected by tube of negligible volume. The tube has a valve. When the valve is opened, what will happen to the sizes of the bubbles. (qualitative and not quantitative ...

Two small equally charged spheres each of mass m are suspended from the same point by silk threads of length l. The distance between the spheres is x<<l . find the rate dq/dt with which the charge leaks off each sphere ...

A container is divided into two equal portions. One portion contains an ideal gas at pressure P and temperature T, while the other portion has a perfect vacuum. If a hole is opened between the two portions, find the change in ...

If a constant force acts on a particle, its acceleration will... a. gradually increase b.gradually decrease c. remain constant d. be undefined! ...

with wat minimum speed shud a motorbike be moving on the road to safely cross a 11.7ft wide ditch with approach roads at an angle of 15 degree with the horizontal.assume length of bike is 5 ft and it leaves the road as soon a ...

Q1. In an L-C circuit the values of C = 30 F and L = 15 mH. At an instant t, the charge on the capacitor is 10 C and the current is 20 mA. The maximum current in the circuit is (A) 17 mA (B) 19 mA (C) 25 mA (D) 42 mA ...

A point charge q is located at the centre of a thin ring of radius R with uniformly distributed charge -q. find the magnitude of the electric field strength vector at the point lying on the axis of the ring at a distance x fr ...

A thin non-conducting ring of radius R has linear charge density λ = λocosφ, where λ is a constant and φ is the azimuthal angle. find the magnitude of electric fiel strength on the axis of the ring as a function of the d ...

An infinite plane inclined at an angle θ to the horizontal . A point mass m is placed on the plane at very large height . the mass is given a push with 'v' velocity in the horizontal direction along the plane . i.e. the dire ...

1) A body of mass m = 3.513 kg is moving along the x-axis with a speed of 5.00 ms-1. The magnitude of its momentum is recorded as 1 ) 17.565 kg ms-1 2 ) 17.56 kg ms-1 3 ) 17.57 kg ms-1 4 ) 17.6 kg ms-1 ...

Time has a direction, it can never be negative still it is a scalar and not a vector quantity. Which statement is the correct explantion for the time not being a vector? 1) It is not obeying law of parallelogram addition. 2)I ...

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HCV- newton's laws of motion chapter exercise q no.16 and 23. i m not able to draw diagrams which r necessary for these problems. so plz manage from HCV ...

sorry to change ques. how to use constraint method in hcverma newton's laws ex-9. the prob there is to decide the direction of displacement of big block. using energy we get constraint as 2a1+a2+a3=0 but i know correct eq. is ...

A car travelling at 60km/h overtakes another car travelling at 42km/h.assuming each car to be 5m long find the total road distance used for overtake nishant sir,plz give the solution. ...

Q2. A child throws a ball from point A with an initial velocity 20 m s-1 at an angle 37° with the horizontal. B is a point on its trajectory such that tangent at B makes 30° with horizontal. The radius of curvature at B is ...

nishant bhaiya plz post the correct solution of HCVERMA(kinematics) exercise question no.-44 ...

A small object is placed 10cm in front of a plane mirror. If u stand behind the object 30 cm from the mirror, and look at its image, then for wat distance must you focus ur eyes?? My ans : 40cm Is dat wrong??-It is just a ver ...

In work energy theorem we say that the net work done on the body = net change in the kinetic energy of the body..... why, here, do we involve the kinetic energy only... and why is it not potential energy or mechanical energy? ...

StatI : For a mass M kept at the centre of cube of side a, the flux of gravitational field passing through its sides is 4Î GM. Stat II : If the direction of a field due to a point source is radial and its dependence on the di ...

*Image* SOLVE DIS ONE............PLS ...

NOR gate ke truth table ka kya formula hai???????????? ...

What is constraint equation..?? First a few examples of constraint equation a) If there is a stone tied to a rope that you are whirling around your head.. there is a constraint equation. b) If there is a body kept on the floo ...

A uniform rod of mass=2kg and length l=1m rests upon a smooth horizontal surface.One of the ends of the rod is struck with impulse=2Ns in horizontal direction perpendicular to the rod.As a result the rod obtains a momentum=2N ...

is there individual cutoff these time........... if yes then what would be it........ ...

1) A particle of mass 10^-2 kg is moving along the positive X - axis under the influence of a force F(x) = -k/2(x^2) where k =10^-2 Nm^2 . At time t=0,it is at x = 1.0 m and its velocity is v=0 a)find its velocity when it rea ...

*Image* FIND THE LOCATION OF THE FINAL IMAGE!!!!!! ...

Sir whenever i did tension related problems there was always a wire-mass system n the mass is attached to 1 end of the wire..but in this prob its kind of different..i cant find the tension.. Q. When a bird of weight W sits on ...