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a thin transparent film has an index of refraction of 157 it consists of a flat plate with air on both sides of the
an ideal gas at 263degc and a pressure 180 105 pa is in a container having a volume of 100 l a determine the number of
the unit of denier is a way to characterize fibers defined as the weight in grams of a length of 9000 meters nylon 6
a 500 kg cannon fires a 40 kg projectile with a velocity of 500 ms relative to the ground what is the recoil speed of
a 1800 kg car traveling north at 70 kmh collides at an intersection with a 2000 kg car traveling west - at 57 kmh the
an ideal monatomic gas is allowed to expand quasi-statically and adiabatically from an initial volume vi 41 liter and
object a which has a mass m and a velocity v0 collides head-on with object b which has a mass 2m and a velocity 12v0
the boiling point of liquid nitrogen is 773 k at atmospheric pressure what is this temperature on the celsius
the mass of the blue dark puck in the figure below is 183 greater than the mass of the green light onea before
in the diagram below a block of mass m46 kg slides down a frictionless inclined plane and collides elastically with
a skyrocket explodes just as it reaches the top of its trajectory at a height 131 km above the ground the shrapnel
the density of gold is 19 times that of water if you take a gold crown weighing 30n and submerge it in water what will
a transformer consists of a 500 turn primary coil and a 2000 turn secondary coil if 120v is applied to the primary how
a 8 meter tennis racket is swung by a player with an arm length of 7m if the initial linear velocity of the tennis ball
a coil with a self inductance of 75 mh experiences a constant current build up fro zero to 50a in 125s what is the
a2m wire is moved perpendicular to a5magnetic field at a speed of 15ms what emf is induced across the ends of the
a curling stone with a mass of 7 kg moves across the ice at a speed of 135 ms in the positive x direction it collides
two train cars are on a smooth level track car 1 has an initial mass of 10000 kg and an initial speed of 18 ms car 2 is
a 200 kg disc has a 500mm diameter it is rotating at 200 rpm about its central longitudinal axis like the bicycle wheel
a man pushes a 42 kg crate uphill along a plane inclined at 30 degree with respect to the horizontal the man pushes the
a fire engine is driving directly away from a solid wall at 34 ms on a hot 300o c day while its siren emits a steady
if the difference in pressure on the two sides of a closed door of area 2m2 is 001 atm what is the net force on the
a ping-pong ball with mass 6 g is attached by a thread to the bottom of a beaker when the beaker is filled with water
an empty erlenmeyer flask weighs 2523 g when filled with water d 100 gcm3 the flask and its contents weigh 5033 ga
a uniform 76 ladder is leaning against a frictionless vertical wall with which it makes a 15 angle the coefficient of