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gamma rays of photon energy e are directed onto an aluminum target and are scattered in several directions by loosely
compute for q for the reversible isothermal expansion at 300k of 50 mol of a perfect gas from 500 to 1500 cubic
assume the decay constant of radioactive substance c is double the decay constant of radioactive substance d if
aspirin is a weak monoprotic acid with a ka of 327 x 104 assume you dissolve 0650 g of aspirin in 200 ml of water as
a sample of helium behaves as an ideal gas as it is heated at fix pressure from 273 k to 343 k if 230 joule of work is
a carnot engine extracts 2200 joule of heat from a hot reservoir and does 1150 joule of mechanical work assume the cold
a 70 kilogram gymnast applies a vertical ground reaction force of 1300 n at 02 meter behind the center of mass find the
a chemist dissolves 0092g of cuso4 bull 5 h2o in water also dilutes the solution to the mark in a 500-ml volumetric
a recording engineer works in a soundproofed room that is380 db quieter than the outside if the sound intensity in the
assume that sound is emitted uniformly in all directions by a public address system the intensity at a location 20
a 185 g sample of a compound containing merely carbon and hydrogen is combusted to give 543 g co2 and 333 g h20 explain
a fish takes the bait and pulls on the line with a force of 22 n the fishing reel which rotates without friction is a
the maximum speed of a 31 kilogram particle attached to a spring is 068 ms and the maximum force exerted on the
you rev your automobiles engine to 2800 rpms revsmindetermine the period of the engine in secondsdetermine the
the second order maximum produced by a diffraction grating with 580 lines per cm is at angle of 35o find the
an 80 kg crate is pulled 54 meter up a 30 degree incline by a rope angled 18 degree above the incline the tension in
n bricks each having height h and mass m are lying on the floor in a configuration of minimal potential energy find the
a siren emitting a sound of frequency 1000 hertz moves away from you towards the face of a cliff at a speed of 10 ms
a two-slit pattern is viewed on a screen 145 meter from the slit if the two third-order minima are 190 centimeter
a 18 kilogram block is attached to a spring with a force constant of 59 nm if the block is released with a speed of 025
an 80 centimeter long wire is made by welding a 230 mm diameter 20 centimeter long copper wire to a 230 mm diameter 60
the mean distance of an asteroid from the sun is 280 times that of earth from the sun from keplers law of periods
suppose that the earth is a uniform sphere and that its path around the sun is circulara find the kinetic energy that
a 14 kilogram small particle similar to object moves in a plane with velocity components vx 25 ms and vy 80 ms as it
a empty sphere of radius 035 meter with rotational inertia i 0052 kg m2 about a line through its center of mass rolls