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question1two long insulated wires lie in the identical horizontal plane a current of i 170 a flows toward the north in wire a and a current of 100 a
question1the rhinestones in costume jewellery are glass with index of refraction 150 to compose them more reflective they are regularly coated with a
questionthough 0 is often referred to as lower threshold of human hearing it is important to realize that the human ear is not equally sensitive to
question1an 800 point mass and a 150 point mass are held in place 500 apart a particle of mass is released from a point between the two masses 190
question1an unpolarized beam of light is sent into a stack of four polarizing sheets oriented so that the angle between the polarizing directions of
question1car a is moving with a constant speed of 10ms and passes car b which is at rest ten second later the latter follows with an acceleration of
questionthe cornea of the eye has a radius of curvature of approximately 050 cm and the aqueous humour behind it has the index of refraction of 135
question1vector a points alone the y access and has a magnitude of 100 units vector b points at an angle of 60 degrees above the plus x access and
question1in an assured region of space there is uniform electric field e and uniform magnetic field b both directed along z-axis a particle of charge
question1a dolphin located in sea water at a temperature of 26c emits a sound directed toward the bottom of the ocean 157 m below how much time
question1two dogs pull horizontally on ropes attached to a post angle problem 1 between the ropes is 600 degrees if dog a exerts a force of 270n and
question1a current of 1a is injected into the earth at the bottom of a borehole derive an expression for the voltage at distance r from the injection
question1a molecule of dna deoxyribonucleic acid is 235 microm long the ends of the molecule become singly ionized -- negative on one end positive on
question1an ocean liner leaves new york city and travels 320deg north of east for 299 km how far east and how far north has it gone in other words
question1what pairs of forces act in the following situationsa a pitcher throws a baseballb a batter hits a baseball out of the parkc a leaf falls to
question1two train whistles have an identical frequency of 157 hz train a is motionless in the station and sounds its whistlemeanwhile train b is
question1an object of mass 12 kg is released from rest at the top of a 5 metre plank inclined at 40 degrees to horizontal find out the normal
question1light with the frequency of 560times1014hertz travels in a block of glass that has an index of refraction of 152part awhat is wavelength of
question1a woman is reported to have fallen 178 ft from a building landing on a metal ventilator box that she crushed to a depth of 21 in she
question1a 93 kg lumberjack stands at one end of a 379 kg floating log both the log and the lumberjack are at rest firstly if the lumberjack now
question1heather and mathew walk eastward with a speed of 076 ms east if it takes them 50 minutes to walk to a store how far have they walked reply
questiona car travels all along a straight line at a constant speed of 485 mih for a distance d and then another distance d in the similar direction
questiona 170g copper bowl contains 200g of water both at 21c a very hot 490g copper cylinder is dropped into the water causing the water to boil
question1a 95 m long train begins uniform acceleration from rest the front of the train has a speed of 25ms when it passes a railway worker who is
question1in an xray tube electrons are accelerated in a uniform electric field and then strike a metal target assume an electron starting from rest