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question1two blocks are linked by a light string that passes over a frictionless pulley the block of mass 984 kg lies on a horizontal surface and is
question1two boats each capable of moving in still water at a constant velocity v 6 ms place out to cross a river of width w 20 m boat 1 heads
question11 the molecular mass of helium is 4 gmol boltzmannrsquos constant is 138066 times 10minus23 jk universal gas constant is 831451 jk mol and
question1analyse the crystal thickness pd df prf prp spl period and distance to reflector if a 3 cycle pulse emitted from a 3 mhz transducer if echo
question1assume that we have the hydrogen atom and the electron in the hydrogen atom is in the n 4 state what should be the least kinetic energy in
questiona known toy consists of an aligned row of identical steel balls that are suspended bynbspmonolament so they just touch when balls collide
question1a football lineman charges an opponent with a force of 175lbs in direction of 310 degrees the opponent charges back with a force of 185 lbs
question1calculate approximately the average power of a water wave when it hits chest of an adult standing in the water at the seashore suppose that
question1by means of snellrsquos law convince someone that for total internal reflection to happen that index of refraction for the incident material
questionone of ways that a forensic scientist can figure out the make and model of a car from a ldquohit and runrdquo collision is if they can pick
question1a charged particle is fired into a cubical region of space where there is the uniform magnetic field outer this region there is no magnetic
question1a solenoidal coil with 26 turns of wire is wound strongly around another coil with 330 turns the inner solenoid is 230cm long and has a
question1protons and electrons can be given extremely high energies in particle accelerators what is wavelength in meters of an electron mass 911 x
question1illustration on eratosthenes process if two observers are due north and south of each other and are detached by 400 km what is circumference
question1consider an array of parallel wires with uniform spacing of 130 cm between centers in air at 200degc ultrasound with a frequency of 372 khz
question1a weight lifter pulls down on a bar associated to some weights via a pulley system he rises in the air a second weight lifter comments that
question1assume you have cylindrical oil drum with a diameter d of 4900 cm and a length l of 9000 cm now assume we remove all of that air from the
question1it has been claimed that an insect known as froghopper philanenus spumarius is the best jumper in animal kingdom this insect is able to
questionhuman blood contains plasma platelets and blood cells to part plasma from other components centrifugation is used effective centrifugation
question1two rectangular optically flat glass plates of index of refraction 146 are in contact along one end and are separated next to other end by a
question1if argentinosaurus a long-necked gigantic sauropod had a head height of 19 m and a heart height of 79 m what hydrostatic gauge pressure in
question1the period of a simple pendulum defined as time necessary for one complete oscillation is measured in time units and is given by t2piradiclg
questionone end of a spring is attached to ceiling and it is hanging straight down with a relaxed length l0 it has a spring constant k a block of
question1a mountain climber in procedure of crossing between two cliffs by a rope pauses to rest she weighs 521 n as drawing shows she is closer to
question1a swan on a lake gets airborne by flapping its wings and running on top of water a if swan have to reach a velocity of 600 ms to take off