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an ideal heat engine with a carnot efficiency of 389 takes in heat from a high-temperature reservoir at 155oc what is
a new material is found to be superconducting below 116 k how much resistance will a 40 mm long sample of this material
an insect that is 590 mm long is placed 115 cm from a converging lens with a focal length of 120 cmthe position of the
a solenoid of radius a and n wiresmeter has a current which increases from 0 at a rate of kdidta what is the magnetic
the free-fall acceleration at the surface of planet 1is14 ms2 the radius and the mass of planet 2 are twice those of
a thin film of soap with n 139 hanging in the air reflects dominantly red light with lambda 651 nm1 what is the
note the molar mass of he is 4 gmol report temperature in kelvin and speed in ms boltzmannrsquos constant is
two long parallel straight wires are 0300 m apart and each carries a current of 270 a in the same direction compute the
light of wavelength 579 nm shines down on two glass plates spaced at one end with a thin piece of paper looking down on
optimums prime is flying straight up at 29ms when he accidentally drops his mega-ray blaster and it falls67 m to the
suppose the latent heat of vaporization of h2o were twice its actual valuea other things being equal would it take the
1 at what temperature in celcius is the rms speeds of helium atoms half its value at stp stp standard pressure and
amber n 1546 is a transparent brown-yellow fossil resin an insect preserved and trapped within the amber appears to be
a wire carries a current of 60 a in a direction that makes an angle of 360deg with the direction of a magnetic field of
a violin string fixed at both ends is made to oscillate and a standing wave with three antinodes is created discover
suppose that the numerical value of the initial speed of a rollercoaster is 1200 ms the initial height is 3000 m and
what approaches to motivation are more commonly used in the workplace how might each approach be used to design
when a 02 kg mass is attached to a spring k 196 n m on a horizontal frictionless surface and pulled 100 cm from
estimate the linear separation in kilometres of two objects at a distance of 77 x 106 km that can just be resolved with
the two headlights of an approaching automobile are 13 m apart at what a angular separation and b maximum distance will
an astronaut is being tested in a centrifuge the centrifuge has a radius of 10 m and in starting rotates according to
water flows steadily from an open tank as shown in the figure the elevation of point 1 is 100 meters and the elevation
write a 700- to 1050-word paper formatted consistent with apa guidelines on the determining factors of gender
starting from rest a disk rotates about its central axis with constant angular acceleration in 30 s it rotates 30 rada
in the ground state of hydrogen the uncertainty in the position of the electron is roughly 010 nm if the speed of the