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0:01:52

The maximum elongation of a steel wire of 1m length if the elastic limit of steel and young's modulu

0:03:04

A 10uF capacitor is connected to a 210V 50Hz source as shown in figure the peak current in the cir

0:03:38

A body of mass 30kg moving with a velocity 20m/s undergoes one dimensional elastic collision with

0:02:48

Two charges 5nc and -2nc are placed at points (5cm,0,0) and (23cm,0,0) in a region of space where th

0:01:48

The moment of inertia of a thin rod about an axis passing through its mid point and perpendicular

0:01:38

a horizontal force 10N is applied to a block A as shown in figure the mass of blocks A and B are 2kg

0:01:22

A car moving along a straight highway with a speed of 20m/s is brought to a stop with in a distance

0:01:18

if x=5 sin [πt+π/3]m represents the motion of a particle executing simple harmonic motion the

0:02:42

The gravitational potential energy of a body on the surface of the earth is E if the body is taken

0:03:35

resistance of a wire is 8 ohm.it is drawn in such a way that it experiences a longitudinal strain

0:05:02

A light ray enters through a right angled prism at point p with the angle of incidence 30° as shown

0:01:40

If the force on a rocket moving with a velocity of 300m/s is 210N then the rate of combustion of the

0:07:17

A particle starts from rest and moves in a straight line it travels a distance 2L with uniform

0:02:17

The displacement of a particle of mass 2g executing simple harmonic motion is x=8 cos[50t+π/2]m

0:02:10

A force of (4i+2j+k)N is acting on a particle of mass 2kg displaces the particle from a position of

0:01:55

A lift of mass 1000kg which is moving with acceleration of 1ms^-2 in upward direction then the

0:01:57

A cricketer catches a ball of 150g in 0.1s moving with a speed of 20m/s then he experiences a force

0:01:42

A 500 kg car takes a round turn of radius 50m with a velocity of 36kmph the centripetal force is

0:01:12

Sand is being dropped on a conveyer belt at the rate of M kg/s.The force necessary to

0:01:14

Two masses as shown in the figure are suspended from a massless Pulley.The acceleration of the

0:02:22

A block B is pushed momentarily along a horizontal surface with an initial velocity V.If u is the

0:02:01

A ball of mass 0.25kg attached to the end of a string of length 1.96m is moving in a horizontal

0:02:42

Two stones of masses m and 2m are whirled in horizontal circles the heavier one in a radius r/2

0:01:17

A body under the action of a force F=6i-8j+10k acquries an acceleration of 1mS^-2.