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i want to measure h not b the magnets in question are permanent magnets large neo or smco magnets not coils steel
calculate the distance a car travelled if its displacement was 50km and the distance it moved north was 40kmassuming it moved
what is the difference between an artificial satellite and a natural satelliteans 1artificial satellites are man made while natural satellite are
a ray of light is incident normally on an equilateral prism of refractive index 32 calculate devitionans since the prism is equilateral therefore
any thermodynamic procedure which takes place in a system without the exchange of heat with the
why gravitational energy for a system of particles is found by first finding the gravitational energy between individual particles and then adding it
why different colours of white light travell with different speed in a glass prismwhile they travell with same speed in air anssince in diffeernt
a bomber plane moves horizontally with a speed of 500 ms and a bomb released from it strikes the ground in 10 sec angle at which it strikes the
where does cog and com differgenerally both coincidesgive example where both differans cog and com mainly coincides at the see-level regionbut cog is
how is that circuit wont be broken even there is an air gap in between the parallel platesans in ac circuit capacitor offers resistance to current as
how to find the acceleration of a body in a non inertial frame on the action of frictionsolution use the concept of pseudo forcemultiply the mass
the emf of the driver cell of a potentiometer is 2v amp its internal resistance is negligible the length of the potentiometer wire is 100cm amp
a scooterist is racing at a speed of 72 km per hour if the radius of the wheel is 20 cm find the angular speed of the wheels ans
in an ideal transformer the no of turns in primary amp secondary are 200 amp 1000 respectively if power input to primary is 10kw at
when a moving body changes with timethen we say that the body has accelerationsimentaniously the change in velocity is equal then it is called
to work out the gravitational potential energy of an object the equation isgpe m x g x hwherem the mass of the object kgg gravitational field
a ball dropped from a balloon at rest clears a tower 81m high during the last quater second of its journey find the height of the balloon and the
question 1 a car of mass 800 kg is pulling a trailer of mass 300 kg up the slope of angle to the horizontal where sine 1200 resistance to
surface tension is a contractive tendency of the surface of a liquid that permits it to resist an external force it is revealed for instance in the
potential free contacts also known as dry contacts are simply contacts which are physically operated with the main device but not electrically
calorimetry is the act of calculating the heat of chemical reactions or physical changes or the science of making such measurements calorimetry is
maxwells equations are a set of partial differential equations that together with the lorentz force law form the foundation of classical
a car of mass 800 kg is pulling a trailer of mass 300 kg up the slope of angle to the horizontal where sine 1200 resistance to motion apart from
if a particle is projected vertically upward in a constant gravitational field with an initial speed v0 if there is a retarding force proportional to