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the size of the nucleus in rutherfords model of the atom is about 10 fm 10 x10-15 ma decide the repulsive
a block is hung by a string from the inside roof of a van when the van goes straight ahead at a speed of 20 ms the
two adjacent sources each emit a frequency of 800 hz in air where the velocity of sound is 340 ms how much farther back
violet light falls on a surface with two small slits 19x10-4nbspcm apart a first-order line appears 132 cm from the
a circular coil consisting of a single loop of wire has a radius of 280 cm and carries a current of 28 a it is placed
a rock weighing 7404 n rock with a volume of 29 l is completely submerged in mercury the density of mercury is 136 kgl1
water flows at 056 ms during a pipe 16 cm in diameter when the pressure is 460000 pa decide the water velocity and the
a wheel is spinning at 10 rads it undergoes an angular acceleration of 8rads2 until it reaches an angular velocity of
the magnetic field at the center of a solenoid is equal to the earths magnetic field at that point 50010nbspnbsp -5 t
a car drives along a dual carriageway at 96 km hminus1 the driver sees a speed limit sign approaching and applies the
a submarine is 300 m horizontally out from the shore and 118 m beneath the surface of the water a laser beam is sent
yellow light has a wavelength of 600nm a single slit has a width of 24x10-6m and the screen is l035m away from the slit
a 5 kg sphere with a radius of 10 cm is thrown along a level surface so that initially it slides with a linear speed of
a light ray passes during a spherical raindrop undergoing refraction as it enters the drop than total internal
a container holds 20 mol of gasnbspthe total average kinetic energy of the gas molecules in the container is equal to
a 27 kg block slides up a hill to a height of 66 mnbsp if 387 j of thermal energy are generated how fast was the block
a hospital patient receives a quick 500-cc blood transfusion during a needle with a length of 50 cm and an inner
two coherent sources of radio waves a and b are 500 meters apart all sources emits waves with wavelength 600 meters
in an industrial cooling process water is circulated during a system if the water is pumped with a speed of 045msunder
a 031 mev x-ray photon collides by an electron and scatters straight back the way that it camea what is the kinetic
1 when a rock thrown straight upwards gets to the exact top of its path its1 velocity is about 10 ms and its
a science student is riding on a flatcar of a train traveling along a straight horizontal track at a constant speed of
a wheel is spinning at 20 rads it undergoes an angular acceleration of 12radsnbsp 2 until it reaches an angular
a 58-kg ice-skater moving at 75ms glides to a stop assuming the ice is at 0 degrees celsius and that 50 of the heat
an engine does 17600 j of work and rejects 5740 j of heat into a cold resevoir whose temperature is 290 k what would be