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the energy of a particular state of an atom is 536 ev and the energy of another state is 345 ev find the wavelength of
this is a physics question about optics a very thin sheet of glass n 155 floats on the surface of water n 133 when
estimate the rpm of a high-bypass turbo jet engine to maintain level flight if the thrust available is 20000 lb and
how does the elasticity of a material vary when the material is heated and
find the torque exerted by a force vector f 2j 6k that is applied at position r 4i-3j k the force is given in
welders wear special goggles or face masks with glass windows to protect their eyes from electromagnetic radiations
the motion of copper plate is damped when it is allowed to oscillate between the two poles of a magnet what is the
two equal balls having equal positive charge lsquoq coulombs are suspended by two insulating strings of equal length
calculate the angular velocity of the mars orbital period of 188 earth period in its orbit around the sun calculate the
a hollow metal sphere is charged such that the potential on its surface is 10 v what is the potential at the centre of
why is the potential inside a hollow spherical charged conductor constant and has the same value as on its
a magnetic needle free to rotate in a vertical plane orients itself vertically at a certain place on the earth what are
a simple gear train is composed of three gears gear a os tje driver and has 8 teeth gear b has 24 teeth and gear c has
a quarterback holds the ball 11m above the field as he runs into the end zone at aconstant 62ms he drops the ball as he
explain the working of arefrigerator and how the various parts are designed to enhance its
explain how teflon becomes negatively charged when rubbed against glass and the resulting charge on the glass hint use
an object falls from a building that is 35 m above the grounditfalls directly into a truck moving with constant
a 1010 kg car is pulling a 275 kg trailer together the car and trailer move forward with an acceleration of 215 ms2
an electron in a cathode ray tube crt accelerates fromnbsp200 104 ms to 600 106 ms over 150 cma hownbsplong does the
a 960 kg car is pulling a 310 kg trailer together the car and trailer move forward with an acceleration of 200 ms2
a busy waitress slides a plate of apple pie along a counter to a hungry customer sitting near the end of the counter
an object is thrown up from a height h 98 m with velocity of 49 ms derive the equation for motion of the object
a 175 block slides with a speed of 0925 on a frictionless horizontal surface until it encounters a spring with a force
a 012 meter long 015 kg thin rigid rod has a small 022 kg mass stuck on one of its ends and a small 0080 kg mass stuck
a 100kg block slides with a speed of 0880mson a frictionless horizontal surface until it encounters a spring with a