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what is the work done to take a particle of mass m from surface of the earth to a height equal to 2r rradius of earth ans initial pe - gmmrfinal pe
a small bucket of mass m kg is attached to a long inextensible cord of length l m the bucket is released when the cord is in horizontal position at
will there be any change in hz of sound if two vibrating body has the similar hzans yes it depends on the path difference among themlike in
a source producing sound at frequency 400 hz is moving along the y axis with a speed of 22 metre per second a listener is situated at position 660m0
a tunning fork produces 4 beats per second with another tunning fork of frequency 256 hz the first one is now loaded with a little wax and the beat
a cubical block of wood weighing 200g has a lead piece fastened underneath find the mass of the lead piece which will just allow the block to float
a hollow sphere of radius r lies on a smooth surface it is pulled by a horizontal force acting tangentially from the highest point find the distance
the color of sky is blue but the wavelenght of violet and indigo is small than that of bluethen why the color of sky is blueans the particles in
an equilateral triangle is inscribed in a circle of radius 2 cm if p lies inside the triangle then the minimum sum of distances of p from the sides
a sphere of mass m and radius r is on a smooth fixed inclined plane in equilibrium if now the sphere is displaced by a small distance along the plane
a projectile is projected with speed u at an angle of 60 degrees with the horizontal from the foot of an inclined planeif the projectile hits the
a 25 kg rock is located on the earth3939s surface if the mass of the moon is 74 e 22 kg and the separation distance between the center of the rock
i need help with a problem must find the entropy se in the microcanonical ensemble for this system for this system in terms of e and land
two forces of 20 units and 30 units act at right angle what is the magnitude of resultant
what should be the orientation of an electric dipole so that its potential enrgy is
the maximum height attained by a projectile and its horizontal range are equal to each other if the projectile projected at an angle theta given by
hello i3939d like to ask why do objects that fall from higher heights hit stronger that those falling from smaller heights if force equals mass
i3939m transmitting microwave radiation from antenna to satelliteso when radiationphotons is transmittedhow they interact with the molecules in the
a rocket is launched at an angle 53 degree to the horizontal with a speed of 100 ms it moves along its initial line of motion with an acceleration of
at a particular instant the speedometer of a vehicle shows 30kmhr it is the aaverage speed binstantaneous speed cuniform speed
an aeroplane is moving horizontally with a velocity of u it drops a packet from a height h the time taken the packet in reaching the ground
show that in a glass prism that the refractive index n sin12adminsin12a where a refracting angle hence if the angle of incidence i on oan air
an electric iron draws a current of 05athe voltage is 200v calculate the amount of charge flowing through it in 1
a car tyre is pumped up to 230 kpa what is the volume of air at atmospheric pressure 100kpa that must be pumped into a tyre that has a volume of 01